245781797970 has 16 divisors (see below), whose sum is σ = 589876315200. Its totient is φ = 65541812784.

The previous prime is 245781797953. The next prime is 245781798001. The reversal of 245781797970 is 79797187542.

It is a super-2 number, since 2×245781797970² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4096363270 + ... + 4096363329.

It is an arithmetic number, because the mean of its divisors is an integer number (36867269700).

Almost surely, 2^245781797970 is an apocalyptic number.

245781797970 is an abundant number, since it is smaller than the sum of its proper divisors (344094517230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245781797970 is a wasteful number, since it uses less digits than its factorization.

245781797970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8192726609.

The product of its (nonzero) digits is 62233920, while the sum is 66.

The spelling of 245781797970 in words is "two hundred forty-five billion, seven hundred eighty-one million, seven hundred ninety-seven thousand, nine hundred seventy".