253724406353 has 32 divisors (see below), whose sum is σ = 285671992320. Its totient is φ = 223396205760.

The previous prime is 253724406349. The next prime is 253724406373. The reversal of 253724406353 is 353604427352.

It is a cyclic number.

It is not a de Polignac number, because 253724406353 - 2² = 253724406349 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253724406373) 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, 13159226 + ... + 13178492.

It is an arithmetic number, because the mean of its divisors is an integer number (8927249760).

Almost surely, 2^253724406353 is an apocalyptic number.

It is an amenable number.

253724406353 is a deficient number, since it is larger than the sum of its proper divisors (31947585967).

253724406353 is a wasteful number, since it uses less digits than its factorization.

253724406353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19637.

The product of its (nonzero) digits is 1814400, while the sum is 44.

The spelling of 253724406353 in words is "two hundred fifty-three billion, seven hundred twenty-four million, four hundred six thousand, three hundred fifty-three".