470815786657 has 2 divisors, whose sum is σ = 470815786658. Its totient is φ = 470815786656.

The previous prime is 470815786643. The next prime is 470815786669. The reversal of 470815786657 is 756687518074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 374294345616 + 96521441041 = 611796^2 + 310679^2 .

It is a cyclic number.

It is not a de Polignac number, because 470815786657 - 2¹¹ = 470815784609 is a prime.

It is not a weakly prime, because it can be changed into another prime (470815786057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235407893328 + 235407893329.

It is an arithmetic number, because the mean of its divisors is an integer number (235407893329).

Almost surely, 2^470815786657 is an apocalyptic number.

It is an amenable number.

470815786657 is a deficient number, since it is larger than the sum of its proper divisors (1).

470815786657 is an equidigital number, since it uses as much as digits as its factorization.

470815786657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79027200, while the sum is 64.

The spelling of 470815786657 in words is "four hundred seventy billion, eight hundred fifteen million, seven hundred eighty-six thousand, six hundred fifty-seven".