3667944459663 has 12 divisors (see below), whose sum is σ = 5779791269928. Its totient is φ = 2222996642160.

The previous prime is 3667944459653. The next prime is 3667944459689. The reversal of 3667944459663 is 3669544497663.

It is a happy number.

3667944459663 is a `hidden beast` number, since 3 + 6 + 6 + 7 + 94 + 445 + 96 + 6 + 3 = 666.

It is not a de Polignac number, because 3667944459663 - 2⁸ = 3667944459407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3667944459591 and 3667944459600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3667944459653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18524971920 + ... + 18524972117.

It is an arithmetic number, because the mean of its divisors is an integer number (481649272494).

Almost surely, 2^{3667944459663} is an apocalyptic number.

3667944459663 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3667944459663 is a deficient number, since it is larger than the sum of its proper divisors (2111846810265).

3667944459663 is a wasteful number, since it uses less digits than its factorization.

3667944459663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37049944054 (or 37049944051 counting only the distinct ones).

The product of its digits is 2116316160, while the sum is 72.

The spelling of 3667944459663 in words is "three trillion, six hundred sixty-seven billion, nine hundred forty-four million, four hundred fifty-nine thousand, six hundred sixty-three".