19634530634 has 16 divisors (see below), whose sum is σ = 29531195136. Its totient is φ = 9790821600.

The previous prime is 19634530627. The next prime is 19634530673. The reversal of 19634530634 is 43603543691.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2364029 + ... + 2372319.

It is an arithmetic number, because the mean of its divisors is an integer number (1845699696).

Almost surely, 2^19634530634 is an apocalyptic number.

19634530634 is a deficient number, since it is larger than the sum of its proper divisors (9896664502).

19634530634 is a wasteful number, since it uses less digits than its factorization.

19634530634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11341.

The product of its (nonzero) digits is 699840, while the sum is 44.

The spelling of 19634530634 in words is "nineteen billion, six hundred thirty-four million, five hundred thirty thousand, six hundred thirty-four".