412139604361 has 3 divisors (see below), whose sum is σ = 412140246343. Its totient is φ = 412138962380.

The previous prime is 412139604353. The next prime is 412139604379. The reversal of 412139604361 is 163406931214.

The square root of 412139604361 is 641981.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 282525203961 + 129614400400 = 531531^2 + 360020^2 .

It is not a de Polignac number, because 412139604361 - 2³ = 412139604353 is a prime.

It is a super-2 number, since 2×412139604361² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (412139604161) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 320991 + ... + 962971.

Almost surely, 2^412139604361 is an apocalyptic number.

412139604361 is the 641981-st square number.

412139604361 is the 320991-st centered octagonal number.

It is an amenable number.

412139604361 is a deficient number, since it is larger than the sum of its proper divisors (641982).

412139604361 is an frugal number, since it uses more digits than its factorization.

412139604361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283962 (or 641981 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 412139604361 in words is "four hundred twelve billion, one hundred thirty-nine million, six hundred four thousand, three hundred sixty-one".