253201630563554 has 64 divisors (see below), whose sum is σ = 407974268419200. Its totient is φ = 117441540784128.

The previous prime is 253201630563529. The next prime is 253201630563587. The reversal of 253201630563554 is 455365036102352.

It is a super-2 number, since 2×253201630563554² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378364802 + ... + 379033410.

It is an arithmetic number, because the mean of its divisors is an integer number (6374597944050).

Almost surely, 2^{253201630563554} is an apocalyptic number.

253201630563554 is a deficient number, since it is larger than the sum of its proper divisors (154772637855646).

253201630563554 is a wasteful number, since it uses less digits than its factorization.

253201630563554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669347.

The product of its (nonzero) digits is 9720000, while the sum is 50.

The spelling of 253201630563554 in words is "two hundred fifty-three trillion, two hundred one billion, six hundred thirty million, five hundred sixty-three thousand, five hundred fifty-four".