230752507707491 has 32 divisors (see below), whose sum is σ = 291660795568128. Its totient is φ = 177326779875840.

The previous prime is 230752507707487. The next prime is 230752507707523. The reversal of 230752507707491 is 194707705257032.

It is not a de Polignac number, because 230752507707491 - 2² = 230752507707487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230752507707491.

It is not an unprimeable number, because it can be changed into a prime (230752507707481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55920935 + ... + 59905391.

It is an arithmetic number, because the mean of its divisors is an integer number (9114399861504).

Almost surely, 2^{230752507707491} is an apocalyptic number.

230752507707491 is a deficient number, since it is larger than the sum of its proper divisors (60908287860637).

230752507707491 is a wasteful number, since it uses less digits than its factorization.

230752507707491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3994851.

The product of its (nonzero) digits is 25930800, while the sum is 59.

The spelling of 230752507707491 in words is "two hundred thirty trillion, seven hundred fifty-two billion, five hundred seven million, seven hundred seven thousand, four hundred ninety-one".