253217861470 has 16 divisors (see below), whose sum is σ = 520905315168. Its totient is φ = 86817552480.

The previous prime is 253217861461. The next prime is 253217861509. The reversal of 253217861470 is 74168712352.

253217861470 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×253217861470² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253217861470.

It is a congruent 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, 1808698941 + ... + 1808699080.

It is an arithmetic number, because the mean of its divisors is an integer number (32556582198).

Almost surely, 2^253217861470 is an apocalyptic number.

253217861470 is an abundant number, since it is smaller than the sum of its proper divisors (267687453698).

253217861470 is a wasteful number, since it uses less digits than its factorization.

253217861470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3617398035.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 253217861470 in words is "two hundred fifty-three billion, two hundred seventeen million, eight hundred sixty-one thousand, four hundred seventy".