405630517474199 has 4 divisors (see below), whose sum is σ = 405740117725800. Its totient is φ = 405520917222600.

The previous prime is 405630517474159. The next prime is 405630517474211. The reversal of 405630517474199 is 991474715036504.

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

It is a cyclic number.

It is not a de Polignac number, because 405630517474199 - 2¹⁶ = 405630517408663 is a prime.

It is a super-2 number, since 2×405630517474199² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405630517474109) 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, 54800120249 + ... + 54800127650.

It is an arithmetic number, because the mean of its divisors is an integer number (101435029431450).

Almost surely, 2^{405630517474199} is an apocalyptic number.

405630517474199 is a deficient number, since it is larger than the sum of its proper divisors (109600251601).

405630517474199 is a wasteful number, since it uses less digits than its factorization.

405630517474199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109600251600.

The product of its (nonzero) digits is 114307200, while the sum is 65.

The spelling of 405630517474199 in words is "four hundred five trillion, six hundred thirty billion, five hundred seventeen million, four hundred seventy-four thousand, one hundred ninety-nine".