253968967258 has 4 divisors (see below), whose sum is σ = 380953450890. Its totient is φ = 126984483628.

The previous prime is 253968967249. The next prime is 253968967283. The reversal of 253968967258 is 852769869352.

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 only one way, i.e., 176221125369 + 77747841889 = 419787^2 + 278833^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63492241813 + ... + 63492241816.

Almost surely, 2^253968967258 is an apocalyptic number.

253968967258 is a deficient number, since it is larger than the sum of its proper divisors (126984483632).

253968967258 is a wasteful number, since it uses less digits than its factorization.

253968967258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126984483631.

The product of its digits is 391910400, while the sum is 70.

The spelling of 253968967258 in words is "two hundred fifty-three billion, nine hundred sixty-eight million, nine hundred sixty-seven thousand, two hundred fifty-eight".