420715491325 has 6 divisors (see below), whose sum is σ = 521687209274. Its totient is φ = 336572393040.

The previous prime is 420715491311. The next prime is 420715491349. The reversal of 420715491325 is 523194517024.

It can be written as a sum of positive squares in 3 ways, for example, as 1829529529 + 418885961796 = 42773^2 + 647214^2 .

It is not a de Polignac number, because 420715491325 - 2⁷ = 420715491197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8414309802 + ... + 8414309851.

Almost surely, 2^420715491325 is an apocalyptic number.

It is an amenable number.

420715491325 is a deficient number, since it is larger than the sum of its proper divisors (100971717949).

420715491325 is a wasteful number, since it uses less digits than its factorization.

420715491325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16828619663 (or 16828619658 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 420715491325 in words is "four hundred twenty billion, seven hundred fifteen million, four hundred ninety-one thousand, three hundred twenty-five".