253017662890 has 32 divisors (see below), whose sum is σ = 457003347840. Its totient is φ = 100858290624.

The previous prime is 253017662867. The next prime is 253017662923. The reversal of 253017662890 is 98266710352.

253017662890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4496107 + ... + 4552033.

It is an arithmetic number, because the mean of its divisors is an integer number (14281354620).

Almost surely, 2^253017662890 is an apocalyptic number.

253017662890 is a deficient number, since it is larger than the sum of its proper divisors (203985684950).

253017662890 is a wasteful number, since it uses less digits than its factorization.

253017662890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57486.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 253017662890 in words is "two hundred fifty-three billion, seventeen million, six hundred sixty-two thousand, eight hundred ninety".