402251453232113 has 4 divisors (see below), whose sum is σ = 402276897706980. Its totient is φ = 402226008757248.

The previous prime is 402251453232071. The next prime is 402251453232119. The reversal of 402251453232113 is 311232354152204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6461596229089 + 395789857003024 = 2541967^2 + 19894468^2 .

It is a cyclic number.

It is not a de Polignac number, because 402251453232113 - 2⁴⁸ = 120776476521457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402251453232119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12722213720 + ... + 12722245337.

It is an arithmetic number, because the mean of its divisors is an integer number (100569224426745).

Almost surely, 2^{402251453232113} is an apocalyptic number.

It is an amenable number.

402251453232113 is a deficient number, since it is larger than the sum of its proper divisors (25444474867).

402251453232113 is a wasteful number, since it uses less digits than its factorization.

402251453232113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25444474866.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 402251453232113 in words is "four hundred two trillion, two hundred fifty-one billion, four hundred fifty-three million, two hundred thirty-two thousand, one hundred thirteen".