396021662413 has 16 divisors (see below), whose sum is σ = 429802750720. Its totient is φ = 362721893184.

The previous prime is 396021662411. The next prime is 396021662471. The reversal of 396021662413 is 314266120693.

It is a cyclic number.

It is not a de Polignac number, because 396021662413 - 2¹ = 396021662411 is a prime.

It is a super-2 number, since 2×396021662413² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 396021662413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396021662411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1146508 + ... + 1451386.

It is an arithmetic number, because the mean of its divisors is an integer number (26862671920).

Almost surely, 2^396021662413 is an apocalyptic number.

It is an amenable number.

396021662413 is a deficient number, since it is larger than the sum of its proper divisors (33781088307).

396021662413 is a wasteful number, since it uses less digits than its factorization.

396021662413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305668.

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 396021662413 in words is "three hundred ninety-six billion, twenty-one million, six hundred sixty-two thousand, four hundred thirteen".