245864822895 has 24 divisors (see below), whose sum is σ = 426206513616. Its totient is φ = 131115345408.

The previous prime is 245864822891. The next prime is 245864822921. The reversal of 245864822895 is 598228468542.

245864822895 is a `hidden beast` number, since 2 + 4 + 586 + 48 + 2 + 2 + 8 + 9 + 5 = 666.

It is not a de Polignac number, because 245864822895 - 2² = 245864822891 is a prime.

It is a super-2 number, since 2×245864822895² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245864822891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223224 + ... + 735906.

It is an arithmetic number, because the mean of its divisors is an integer number (17758604734).

Almost surely, 2^245864822895 is an apocalyptic number.

245864822895 is a deficient number, since it is larger than the sum of its proper divisors (180341690721).

245864822895 is a wasteful number, since it uses less digits than its factorization.

245864822895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523351 (or 523348 counting only the distinct ones).

The product of its digits is 88473600, while the sum is 63.

The spelling of 245864822895 in words is "two hundred forty-five billion, eight hundred sixty-four million, eight hundred twenty-two thousand, eight hundred ninety-five".