253760770349 has 4 divisors (see below), whose sum is σ = 253762764000. Its totient is φ = 253758776700.

The previous prime is 253760770283. The next prime is 253760770381. The reversal of 253760770349 is 943077067352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 253760770349 - 2⁸ = 253760770093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253760770349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253760770849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791849 + ... + 1065150.

It is an arithmetic number, because the mean of its divisors is an integer number (63440691000).

Almost surely, 2^253760770349 is an apocalyptic number.

It is an amenable number.

253760770349 is a deficient number, since it is larger than the sum of its proper divisors (1993651).

253760770349 is a wasteful number, since it uses less digits than its factorization.

253760770349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993650.

The product of its (nonzero) digits is 6667920, while the sum is 53.

The spelling of 253760770349 in words is "two hundred fifty-three billion, seven hundred sixty million, seven hundred seventy thousand, three hundred forty-nine".