407172052191 has 16 divisors (see below), whose sum is σ = 554928979968. Its totient is φ = 265441620000.

The previous prime is 407172052153. The next prime is 407172052193. The reversal of 407172052191 is 191250271704.

It is not a de Polignac number, because 407172052191 - 2⁹ = 407172051679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407172052193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1092160 + ... + 1416741.

It is an arithmetic number, because the mean of its divisors is an integer number (34683061248).

Almost surely, 2^407172052191 is an apocalyptic number.

407172052191 is a deficient number, since it is larger than the sum of its proper divisors (147756927777).

407172052191 is a wasteful number, since it uses less digits than its factorization.

407172052191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510102.

The product of its (nonzero) digits is 35280, while the sum is 39.

The spelling of 407172052191 in words is "four hundred seven billion, one hundred seventy-two million, fifty-two thousand, one hundred ninety-one".