253502451064 has 8 divisors (see below), whose sum is σ = 475317095760. Its totient is φ = 126751225528.

The previous prime is 253502451049. The next prime is 253502451071. The reversal of 253502451064 is 460154205352.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15843903184 + ... + 15843903199.

It is an arithmetic number, because the mean of its divisors is an integer number (59414636970).

Almost surely, 2^253502451064 is an apocalyptic number.

It is an amenable number.

253502451064 is a deficient number, since it is larger than the sum of its proper divisors (221814644696).

253502451064 is a wasteful number, since it uses less digits than its factorization.

253502451064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31687806389 (or 31687806385 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 253502451064 in words is "two hundred fifty-three billion, five hundred two million, four hundred fifty-one thousand, sixty-four".