245676631897 has 8 divisors (see below), whose sum is σ = 251498364480. Its totient is φ = 239898837360.

The previous prime is 245676631873. The next prime is 245676631997. The reversal of 245676631897 is 798136676542.

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

It is a cyclic number.

It is not a de Polignac number, because 245676631897 - 2⁷ = 245676631769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245676631397) 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, 10973197 + ... + 10995562.

It is an arithmetic number, because the mean of its divisors is an integer number (31437295560).

Almost surely, 2^245676631897 is an apocalyptic number.

It is an amenable number.

245676631897 is a deficient number, since it is larger than the sum of its proper divisors (5821732583).

245676631897 is a wasteful number, since it uses less digits than its factorization.

245676631897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21969023.

The product of its digits is 91445760, while the sum is 64.

The spelling of 245676631897 in words is "two hundred forty-five billion, six hundred seventy-six million, six hundred thirty-one thousand, eight hundred ninety-seven".