245756682897 has 12 divisors (see below), whose sum is σ = 357468408336. Its totient is φ = 148941718240.

The previous prime is 245756682889. The next prime is 245756682911. The reversal of 245756682897 is 798286657542.

It is not a de Polignac number, because 245756682897 - 2³ = 245756682889 is a prime.

It is a super-2 number, since 2×245756682897² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (245756682877) 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, 2804653 + ... + 2890949.

It is an arithmetic number, because the mean of its divisors is an integer number (29789034028).

Almost surely, 2^245756682897 is an apocalyptic number.

It is an amenable number.

245756682897 is a deficient number, since it is larger than the sum of its proper divisors (111711725439).

245756682897 is an frugal number, since it uses more digits than its factorization.

245756682897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172608 (or 86311 counting only the distinct ones).

The product of its digits is 406425600, while the sum is 69.

The spelling of 245756682897 in words is "two hundred forty-five billion, seven hundred fifty-six million, six hundred eighty-two thousand, eight hundred ninety-seven".