475399651651 has 2 divisors, whose sum is σ = 475399651652. Its totient is φ = 475399651650.

The previous prime is 475399651607. The next prime is 475399651709. The reversal of 475399651651 is 156156993574.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 475399651651 - 2⁷ = 475399651523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 475399651651.

It is not a weakly prime, because it can be changed into another prime (475399655651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237699825825 + 237699825826.

It is an arithmetic number, because the mean of its divisors is an integer number (237699825826).

Almost surely, 2^475399651651 is an apocalyptic number.

475399651651 is a deficient number, since it is larger than the sum of its proper divisors (1).

475399651651 is an equidigital number, since it uses as much as digits as its factorization.

475399651651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30618000, while the sum is 61.

The spelling of 475399651651 in words is "four hundred seventy-five billion, three hundred ninety-nine million, six hundred fifty-one thousand, six hundred fifty-one".