477157009969 has 2 divisors, whose sum is σ = 477157009970. Its totient is φ = 477157009968.

The previous prime is 477157009951. The next prime is 477157009999. The reversal of 477157009969 is 969900751774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250140019600 + 227016990369 = 500140^2 + 476463^2 .

It is a cyclic number.

It is not a de Polignac number, because 477157009969 - 2⁷ = 477157009841 is a prime.

It is a super-2 number, since 2×477157009969² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 477157009969.

It is not a weakly prime, because it can be changed into another prime (477157009909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238578504984 + 238578504985.

It is an arithmetic number, because the mean of its divisors is an integer number (238578504985).

Almost surely, 2^477157009969 is an apocalyptic number.

It is an amenable number.

477157009969 is a deficient number, since it is larger than the sum of its proper divisors (1).

477157009969 is an equidigital number, since it uses as much as digits as its factorization.

477157009969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30005640, while the sum is 64.

The spelling of 477157009969 in words is "four hundred seventy-seven billion, one hundred fifty-seven million, nine thousand, nine hundred sixty-nine".