415378552657 has 2 divisors, whose sum is σ = 415378552658. Its totient is φ = 415378552656.

The previous prime is 415378552591. The next prime is 415378552763. The reversal of 415378552657 is 756255873514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228896221761 + 186482330896 = 478431^2 + 431836^2 .

It is a cyclic number.

It is not a de Polignac number, because 415378552657 - 2²³ = 415370164049 is a prime.

It is not a weakly prime, because it can be changed into another prime (415378552157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207689276328 + 207689276329.

It is an arithmetic number, because the mean of its divisors is an integer number (207689276329).

Almost surely, 2^415378552657 is an apocalyptic number.

It is an amenable number.

415378552657 is a deficient number, since it is larger than the sum of its proper divisors (1).

415378552657 is an equidigital number, since it uses as much as digits as its factorization.

415378552657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280000, while the sum is 58.

The spelling of 415378552657 in words is "four hundred fifteen billion, three hundred seventy-eight million, five hundred fifty-two thousand, six hundred fifty-seven".