13503640630 has 64 divisors (see below), whose sum is σ = 25693718400. Its totient is φ = 5099618304.

The previous prime is 13503640609. The next prime is 13503640637. The reversal of 13503640630 is 3604630531.

It is a junction number, because it is equal to n+sod(n) for n = 13503640592 and 13503640601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13503640637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12872346 + ... + 12873394.

It is an arithmetic number, because the mean of its divisors is an integer number (401464350).

Almost surely, 2^13503640630 is an apocalyptic number.

13503640630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13503640630 is a deficient number, since it is larger than the sum of its proper divisors (12190077770).

13503640630 is a wasteful number, since it uses less digits than its factorization.

13503640630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753.

The product of its (nonzero) digits is 19440, while the sum is 31.

The spelling of 13503640630 in words is "thirteen billion, five hundred three million, six hundred forty thousand, six hundred thirty".