411621405631 has 4 divisors (see below), whose sum is σ = 413151597000. Its totient is φ = 410091214264.

The previous prime is 411621405607. The next prime is 411621405641. The reversal of 411621405631 is 136504126114.

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 411621405631 - 2⁵ = 411621405599 is a prime.

It is a super-2 number, since 2×411621405631² (a number of 24 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 (411621405641) 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, 765095281 + ... + 765095818.

It is an arithmetic number, because the mean of its divisors is an integer number (103287899250).

Almost surely, 2^411621405631 is an apocalyptic number.

411621405631 is a deficient number, since it is larger than the sum of its proper divisors (1530191369).

411621405631 is a wasteful number, since it uses less digits than its factorization.

411621405631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530191368.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 411621405631 in words is "four hundred eleven billion, six hundred twenty-one million, four hundred five thousand, six hundred thirty-one".