6949061643 has 8 divisors (see below), whose sum is σ = 9267446848. Its totient is φ = 4631692104.

The previous prime is 6949061633. The next prime is 6949061659. The reversal of 6949061643 is 3461609496.

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

It is not a de Polignac number, because 6949061643 - 2²¹ = 6946964491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6949061592 and 6949061601.

It is not an unprimeable number, because it can be changed into a prime (6949061633) 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, 237805 + ... + 265422.

It is an arithmetic number, because the mean of its divisors is an integer number (1158430856).

Almost surely, 2^6949061643 is an apocalyptic number.

6949061643 is a deficient number, since it is larger than the sum of its proper divisors (2318385205).

6949061643 is a wasteful number, since it uses less digits than its factorization.

6949061643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507833.

The product of its (nonzero) digits is 839808, while the sum is 48.

The square root of 6949061643 is about 83361.0319213960. The cubic root of 6949061643 is about 1908.2798070827.

The spelling of 6949061643 in words is "six billion, nine hundred forty-nine million, sixty-one thousand, six hundred forty-three".