253267942913 has 4 divisors (see below), whose sum is σ = 268166057220. Its totient is φ = 238369828608.

The previous prime is 253267942903. The next prime is 253267942919. The reversal of 253267942913 is 319249762352.

It is a happy number.

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 71445013264 + 181822929649 = 267292^2 + 426407^2 .

It is not a de Polignac number, because 253267942913 - 2¹⁴ = 253267926529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253267942919) 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, 7449057128 + ... + 7449057161.

It is an arithmetic number, because the mean of its divisors is an integer number (67041514305).

Almost surely, 2^253267942913 is an apocalyptic number.

It is an amenable number.

253267942913 is a deficient number, since it is larger than the sum of its proper divisors (14898114307).

253267942913 is a wasteful number, since it uses less digits than its factorization.

253267942913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14898114306.

The product of its digits is 4898880, while the sum is 53.

The spelling of 253267942913 in words is "two hundred fifty-three billion, two hundred sixty-seven million, nine hundred forty-two thousand, nine hundred thirteen".