249475705010 has 64 divisors (see below), whose sum is σ = 517475008512. Its totient is φ = 84823816896.

The previous prime is 249475704979. The next prime is 249475705019. The reversal of 249475705010 is 10507574942.

It is not an unprimeable number, because it can be changed into a prime (249475705019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26869829 + ... + 26879111.

It is an arithmetic number, because the mean of its divisors is an integer number (8085547008).

Almost surely, 2^249475705010 is an apocalyptic number.

249475705010 is an abundant number, since it is smaller than the sum of its proper divisors (267999303502).

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

249475705010 is a wasteful number, since it uses less digits than its factorization.

249475705010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12447.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 249475705010 in words is "two hundred forty-nine billion, four hundred seventy-five million, seven hundred five thousand, ten".