253440446313351 has 8 divisors (see below), whose sum is σ = 368640649183104. Its totient is φ = 153600270492920.

The previous prime is 253440446313323. The next prime is 253440446313421. The reversal of 253440446313351 is 153313644044352.

It is a happy number.

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 253440446313351 - 2⁹ = 253440446312839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253440446313351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253440446333351) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3840006762291 + ... + 3840006762356.

It is an arithmetic number, because the mean of its divisors is an integer number (46080081147888).

Almost surely, 2^{253440446313351} is an apocalyptic number.

253440446313351 is a deficient number, since it is larger than the sum of its proper divisors (115200202869753).

253440446313351 is a wasteful number, since it uses less digits than its factorization.

253440446313351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7680013524661.

The product of its (nonzero) digits is 6220800, while the sum is 48.

The spelling of 253440446313351 in words is "two hundred fifty-three trillion, four hundred forty billion, four hundred forty-six million, three hundred thirteen thousand, three hundred fifty-one".