3291246979657 has 32 divisors (see below), whose sum is σ = 4149937177344. Its totient is φ = 2540321740800.

The previous prime is 3291246979649. The next prime is 3291246979663. The reversal of 3291246979657 is 7569796421923.

It is a cyclic number.

It is not a de Polignac number, because 3291246979657 - 2³ = 3291246979649 is a prime.

It is a super-2 number, since 2×3291246979657² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3291246973657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50003553 + ... + 50069329.

It is an arithmetic number, because the mean of its divisors is an integer number (129685536792).

Almost surely, 2^{3291246979657} is an apocalyptic number.

It is an amenable number.

3291246979657 is a deficient number, since it is larger than the sum of its proper divisors (858690197687).

3291246979657 is a wasteful number, since it uses less digits than its factorization.

3291246979657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79249.

The product of its digits is 308629440, while the sum is 70.

The spelling of 3291246979657 in words is "three trillion, two hundred ninety-one billion, two hundred forty-six million, nine hundred seventy-nine thousand, six hundred fifty-seven".