15347995663 has 32 divisors (see below), whose sum is σ = 20897436672. Its totient is φ = 10883980800.

The previous prime is 15347995651. The next prime is 15347995667. The reversal of 15347995663 is 36659974351.

It is a happy number.

It is not a de Polignac number, because 15347995663 - 2⁵ = 15347995631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15347995598 and 15347995607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15347995667) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 36906 + ... + 179047.

It is an arithmetic number, because the mean of its divisors is an integer number (653044896).

Almost surely, 2^15347995663 is an apocalyptic number.

15347995663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

15347995663 is a deficient number, since it is larger than the sum of its proper divisors (5549441009).

15347995663 is a wasteful number, since it uses less digits than its factorization.

15347995663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216055.

The product of its digits is 18370800, while the sum is 58.

The spelling of 15347995663 in words is "fifteen billion, three hundred forty-seven million, nine hundred ninety-five thousand, six hundred sixty-three".