13888749995 has 8 divisors (see below), whose sum is σ = 16671327984. Its totient is φ = 11107781344.

The previous prime is 13888749991. The next prime is 13888750003. The reversal of 13888749995 is 59994788831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13888749995 - 2² = 13888749991 is a prime.

It is a super-2 number, since 2×13888749995² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13888749991) 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 7 ways as a sum of consecutive naturals, for example, 383264 + ... + 417933.

It is an arithmetic number, because the mean of its divisors is an integer number (2083915998).

Almost surely, 2^13888749995 is an apocalyptic number.

13888749995 is a deficient number, since it is larger than the sum of its proper divisors (2782577989).

13888749995 is an equidigital number, since it uses as much as digits as its factorization.

13888749995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804669.

The product of its digits is 156764160, while the sum is 71.

The spelling of 13888749995 in words is "thirteen billion, eight hundred eighty-eight million, seven hundred forty-nine thousand, nine hundred ninety-five".