412117370521 has 4 divisors (see below), whose sum is σ = 412119119412. Its totient is φ = 412115621632.

The previous prime is 412117370513. The next prime is 412117370527. The reversal of 412117370521 is 125073711214.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 208242544896 + 203874825625 = 456336^2 + 451525^2 .

It is a cyclic number.

It is not a de Polignac number, because 412117370521 - 2³ = 412117370513 is a prime.

It is a super-2 number, since 2×412117370521² (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 (412117370527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453400 + ... + 1014793.

It is an arithmetic number, because the mean of its divisors is an integer number (103029779853).

Almost surely, 2^412117370521 is an apocalyptic number.

It is an amenable number.

412117370521 is a deficient number, since it is larger than the sum of its proper divisors (1748891).

412117370521 is a wasteful number, since it uses less digits than its factorization.

412117370521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748890.

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 412117370521 in words is "four hundred twelve billion, one hundred seventeen million, three hundred seventy thousand, five hundred twenty-one".