415328823521 has 2 divisors, whose sum is σ = 415328823522. Its totient is φ = 415328823520.

The previous prime is 415328823509. The next prime is 415328823529. The reversal of 415328823521 is 125328823514.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 415043889121 + 284934400 = 644239^2 + 16880^2 .

It is a cyclic number.

It is not a de Polignac number, because 415328823521 - 2¹⁰ = 415328822497 is a prime.

It is not a weakly prime, because it can be changed into another prime (415328823529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207664411760 + 207664411761.

It is an arithmetic number, because the mean of its divisors is an integer number (207664411761).

Almost surely, 2^415328823521 is an apocalyptic number.

It is an amenable number.

415328823521 is a deficient number, since it is larger than the sum of its proper divisors (1).

415328823521 is an equidigital number, since it uses as much as digits as its factorization.

415328823521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 460800, while the sum is 44.

The spelling of 415328823521 in words is "four hundred fifteen billion, three hundred twenty-eight million, eight hundred twenty-three thousand, five hundred twenty-one".