406293679003681 has 24 divisors (see below), whose sum is σ = 497809376770560. Its totient is φ = 329719155141600.

The previous prime is 406293679003673. The next prime is 406293679003703. The reversal of 406293679003681 is 186300976392604.

It is not a de Polignac number, because 406293679003681 - 2³ = 406293679003673 is a prime.

It is a super-2 number, since 2×406293679003681² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (406293679003631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133100865 + ... + 136119166.

It is an arithmetic number, because the mean of its divisors is an integer number (20742057365440).

Almost surely, 2^{406293679003681} is an apocalyptic number.

It is an amenable number.

406293679003681 is a deficient number, since it is larger than the sum of its proper divisors (91515697766879).

406293679003681 is a wasteful number, since it uses less digits than its factorization.

406293679003681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269221685 (or 269221678 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 64.

The spelling of 406293679003681 in words is "four hundred six trillion, two hundred ninety-three billion, six hundred seventy-nine million, three thousand, six hundred eighty-one".