493102591187 has 2 divisors, whose sum is σ = 493102591188. Its totient is φ = 493102591186.

The previous prime is 493102591181. The next prime is 493102591199. The reversal of 493102591187 is 781195201394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 493102591187 - 2⁶ = 493102591123 is a prime.

It is not a weakly prime, because it can be changed into another prime (493102591181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246551295593 + 246551295594.

It is an arithmetic number, because the mean of its divisors is an integer number (246551295594).

Almost surely, 2^493102591187 is an apocalyptic number.

493102591187 is a deficient number, since it is larger than the sum of its proper divisors (1).

493102591187 is an equidigital number, since it uses as much as digits as its factorization.

493102591187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 50.

The spelling of 493102591187 in words is "four hundred ninety-three billion, one hundred two million, five hundred ninety-one thousand, one hundred eighty-seven".