479394970493 has 2 divisors, whose sum is σ = 479394970494. Its totient is φ = 479394970492.

The previous prime is 479394970487. The next prime is 479394970597. The reversal of 479394970493 is 394079493974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 478148739289 + 1246231204 = 691483^2 + 35302^2 .

It is a cyclic number.

It is not a de Polignac number, because 479394970493 - 2²⁴ = 479378193277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479394970463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239697485246 + 239697485247.

It is an arithmetic number, because the mean of its divisors is an integer number (239697485247).

Almost surely, 2^479394970493 is an apocalyptic number.

It is an amenable number.

479394970493 is a deficient number, since it is larger than the sum of its proper divisors (1).

479394970493 is an equidigital number, since it uses as much as digits as its factorization.

479394970493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 185177664, while the sum is 68.

The spelling of 479394970493 in words is "four hundred seventy-nine billion, three hundred ninety-four million, nine hundred seventy thousand, four hundred ninety-three".