851198013297 has 12 divisors (see below), whose sum is σ = 1232075070720. Its totient is φ = 566280651768.

The previous prime is 851198013287. The next prime is 851198013317. The reversal of 851198013297 is 792310891158.

851198013297 is a `hidden beast` number, since 8 + 511 + 9 + 8 + 0 + 1 + 32 + 97 = 666.

It is not a de Polignac number, because 851198013297 - 2⁸ = 851198013041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (851198013287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98719653 + ... + 98728274.

It is an arithmetic number, because the mean of its divisors is an integer number (102672922560).

Almost surely, 2^851198013297 is an apocalyptic number.

It is an amenable number.

851198013297 is a deficient number, since it is larger than the sum of its proper divisors (380877057423).

851198013297 is a wasteful number, since it uses less digits than its factorization.

851198013297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197448412 (or 197448409 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 54.

The spelling of 851198013297 in words is "eight hundred fifty-one billion, one hundred ninety-eight million, thirteen thousand, two hundred ninety-seven".