403364645663 has 16 divisors (see below), whose sum is σ = 466259397120. Its totient is φ = 341798100000.

The previous prime is 403364645659. The next prime is 403364645669. The reversal of 403364645663 is 366546463304.

It is not a de Polignac number, because 403364645663 - 2² = 403364645659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403364645669) 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, 33038 + ... + 898788.

It is an arithmetic number, because the mean of its divisors is an integer number (29141212320).

Almost surely, 2^403364645663 is an apocalyptic number.

403364645663 is a deficient number, since it is larger than the sum of its proper divisors (62894751457).

403364645663 is a wasteful number, since it uses less digits than its factorization.

403364645663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866518.

The product of its (nonzero) digits is 11197440, while the sum is 50.

The spelling of 403364645663 in words is "four hundred three billion, three hundred sixty-four million, six hundred forty-five thousand, six hundred sixty-three".