417921208131 has 32 divisors (see below), whose sum is σ = 641133595648. Its totient is φ = 237202369920.

The previous prime is 417921208099. The next prime is 417921208141. The reversal of 417921208131 is 131802129714.

It is not a de Polignac number, because 417921208131 - 2⁵ = 417921208099 is a prime.

It is a super-2 number, since 2×417921208131² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 417921208131.

It is not an unprimeable number, because it can be changed into a prime (417921208141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3061425 + ... + 3195021.

It is an arithmetic number, because the mean of its divisors is an integer number (20035424864).

Almost surely, 2^417921208131 is an apocalyptic number.

417921208131 is a deficient number, since it is larger than the sum of its proper divisors (223212387517).

417921208131 is a wasteful number, since it uses less digits than its factorization.

417921208131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134611.

The product of its (nonzero) digits is 24192, while the sum is 39.

The spelling of 417921208131 in words is "four hundred seventeen billion, nine hundred twenty-one million, two hundred eight thousand, one hundred thirty-one".