3663405223531 has 8 divisors (see below), whose sum is σ = 3671992471104. Its totient is φ = 3654818381760.

The previous prime is 3663405223529. The next prime is 3663405223549. The reversal of 3663405223531 is 1353225043663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3663405223531 - 2¹ = 3663405223529 is a prime.

It is a super-2 number, since 2×3663405223531² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3663405223591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25537201 + ... + 25680253.

It is an arithmetic number, because the mean of its divisors is an integer number (458999058888).

Almost surely, 2^{3663405223531} is an apocalyptic number.

3663405223531 is a deficient number, since it is larger than the sum of its proper divisors (8587247573).

3663405223531 is a wasteful number, since it uses less digits than its factorization.

3663405223531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202901.

The product of its (nonzero) digits is 1166400, while the sum is 43.

The spelling of 3663405223531 in words is "three trillion, six hundred sixty-three billion, four hundred five million, two hundred twenty-three thousand, five hundred thirty-one".