6940290311 has 8 divisors (see below), whose sum is σ = 7057020048. Its totient is φ = 6823656000.

The previous prime is 6940290299. The next prime is 6940290317. The reversal of 6940290311 is 1130920496.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6940290311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6940290317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131216 + ... + 176346.

It is an arithmetic number, because the mean of its divisors is an integer number (882127506).

Almost surely, 2^6940290311 is an apocalyptic number.

6940290311 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

6940290311 is a deficient number, since it is larger than the sum of its proper divisors (116729737).

6940290311 is a wasteful number, since it uses less digits than its factorization.

6940290311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47713.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 6940290311 is about 83308.4048040772. The cubic root of 6940290311 is about 1907.4765713836.

The spelling of 6940290311 in words is "six billion, nine hundred forty million, two hundred ninety thousand, three hundred eleven".