24797975690 has 16 divisors (see below), whose sum is σ = 46175541480. Its totient is φ = 9577149120.

The previous prime is 24797975689. The next prime is 24797975743. The reversal of 24797975690 is 9657979742.

It can be written as a sum of positive squares in 4 ways, for example, as 21835677361 + 2962298329 = 147769^2 + 54427^2 .

It is a super-2 number, since 2×24797975690² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

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, 42754841 + ... + 42755420.

Almost surely, 2^24797975690 is an apocalyptic number.

24797975690 is a deficient number, since it is larger than the sum of its proper divisors (21377565790).

24797975690 is a wasteful number, since it uses less digits than its factorization.

24797975690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85510297.

The product of its (nonzero) digits is 60011280, while the sum is 65.

The spelling of 24797975690 in words is "twenty-four billion, seven hundred ninety-seven million, nine hundred seventy-five thousand, six hundred ninety".