405688955793 has 16 divisors (see below), whose sum is σ = 596176464576. Its totient is φ = 243337328640.

The previous prime is 405688955741. The next prime is 405688955813. The reversal of 405688955793 is 397559886504.

It is not a de Polignac number, because 405688955793 - 2¹⁸ = 405688693649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (405688955093) 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, 63365896 + ... + 63372297.

It is an arithmetic number, because the mean of its divisors is an integer number (37261029036).

Almost surely, 2^405688955793 is an apocalyptic number.

It is an amenable number.

405688955793 is a deficient number, since it is larger than the sum of its proper divisors (190487508783).

405688955793 is a wasteful number, since it uses less digits than its factorization.

405688955793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126738304.

The product of its (nonzero) digits is 326592000, while the sum is 69.

The spelling of 405688955793 in words is "four hundred five billion, six hundred eighty-eight million, nine hundred fifty-five thousand, seven hundred ninety-three".