253078308329 has 8 divisors (see below), whose sum is σ = 315526202688. Its totient is φ = 197203876560.

The previous prime is 253078308317. The next prime is 253078308367. The reversal of 253078308329 is 923803870352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253078308329 - 2²⁸ = 252809872873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253078308229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1643365562 + ... + 1643365715.

It is an arithmetic number, because the mean of its divisors is an integer number (39440775336).

Almost surely, 2^253078308329 is an apocalyptic number.

It is an amenable number.

253078308329 is a deficient number, since it is larger than the sum of its proper divisors (62447894359).

253078308329 is a wasteful number, since it uses less digits than its factorization.

253078308329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286731295.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 253078308329 in words is "two hundred fifty-three billion, seventy-eight million, three hundred eight thousand, three hundred twenty-nine".