15693345730 has 32 divisors (see below), whose sum is σ = 29031488640. Its totient is φ = 6104234880.

The previous prime is 15693345727. The next prime is 15693345757. The reversal of 15693345730 is 3754339651.

It is a super-2 number, since 2×15693345730² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63531 + ... + 188209.

It is an arithmetic number, because the mean of its divisors is an integer number (907234020).

Almost surely, 2^15693345730 is an apocalyptic number.

15693345730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15693345730 is a deficient number, since it is larger than the sum of its proper divisors (13338142910).

15693345730 is a wasteful number, since it uses less digits than its factorization.

15693345730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125034.

The product of its (nonzero) digits is 1020600, while the sum is 46.

The spelling of 15693345730 in words is "fifteen billion, six hundred ninety-three million, three hundred forty-five thousand, seven hundred thirty".