630436006605 has 16 divisors (see below), whose sum is σ = 1008719697600. Its totient is φ = 336225174528.

The previous prime is 630436006591. The next prime is 630436006639. The reversal of 630436006605 is 506600634036.

It is a happy number.

It is not a de Polignac number, because 630436006605 - 2⁵ = 630436006573 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286846 + ... + 1158944.

It is an arithmetic number, because the mean of its divisors is an integer number (63044981100).

Almost surely, 2^630436006605 is an apocalyptic number.

It is an amenable number.

630436006605 is a deficient number, since it is larger than the sum of its proper divisors (378283690995).

630436006605 is a wasteful number, since it uses less digits than its factorization.

630436006605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920300.

The product of its (nonzero) digits is 233280, while the sum is 39.

The spelling of 630436006605 in words is "six hundred thirty billion, four hundred thirty-six million, six thousand, six hundred five".