397896633913 has 8 divisors (see below), whose sum is σ = 407185099200. Its totient is φ = 388609762128.

The previous prime is 397896633889. The next prime is 397896633929. The reversal of 397896633913 is 319336698793.

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-397896633913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397896633943) 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, 114468 + ... + 899386.

It is an arithmetic number, because the mean of its divisors is an integer number (50898137400).

Almost surely, 2^397896633913 is an apocalyptic number.

It is an amenable number.

397896633913 is a deficient number, since it is larger than the sum of its proper divisors (9288465287).

397896633913 is a wasteful number, since it uses less digits than its factorization.

397896633913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796751.

The product of its digits is 119042784, while the sum is 67.

The spelling of 397896633913 in words is "three hundred ninety-seven billion, eight hundred ninety-six million, six hundred thirty-three thousand, nine hundred thirteen".