6940698349 has 6 divisors (see below), whose sum is σ = 7515667626. Its totient is φ = 6406798320.

The previous prime is 6940698337. The next prime is 6940698361. The reversal of 6940698349 is 9438960496.

6940698349 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6940698337) and next prime (6940698361).

It can be written as a sum of positive squares in 3 ways, for example, as 54686025 + 6886012324 = 7395^2 + 82982^2 .

It is not a de Polignac number, because 6940698349 - 2¹⁵ = 6940665581 is a prime.

It is a super-2 number, since 2×6940698349² = 96346587143622651602, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6940698293 and 6940698302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6940698379) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20534442 + ... + 20534779.

It is an arithmetic number, because the mean of its divisors is an integer number (1252611271).

Almost surely, 2^6940698349 is an apocalyptic number.

It is an amenable number.

6940698349 is a deficient number, since it is larger than the sum of its proper divisors (574969277).

6940698349 is a wasteful number, since it uses less digits than its factorization.

6940698349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41069247 (or 41069234 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 58.

The square root of 6940698349 is about 83310.8537286709. The cubic root of 6940698349 is about 1907.5139525131.

The spelling of 6940698349 in words is "six billion, nine hundred forty million, six hundred ninety-eight thousand, three hundred forty-nine".