15345020650 has 48 divisors (see below), whose sum is σ = 28793335680. Its totient is φ = 6084041600.

The previous prime is 15345020629. The next prime is 15345020681. The reversal of 15345020650 is 5602054351.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6239121 + ... + 6241579.

It is an arithmetic number, because the mean of its divisors is an integer number (599861160).

Almost surely, 2^15345020650 is an apocalyptic number.

15345020650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15345020650 is a deficient number, since it is larger than the sum of its proper divisors (13448315030).

15345020650 is a wasteful number, since it uses less digits than its factorization.

15345020650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519 (or 3514 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 15345020650 in words is "fifteen billion, three hundred forty-five million, twenty thousand, six hundred fifty".