13750391625 has 16 divisors (see below), whose sum is σ = 22880652288. Its totient is φ = 7333542000.

The previous prime is 13750391621. The next prime is 13750391657. The reversal of 13750391625 is 52619305731.

13750391625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13750391625 - 2² = 13750391621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13750391621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18333481 + ... + 18334230.

It is an arithmetic number, because the mean of its divisors is an integer number (1430040768).

Almost surely, 2^13750391625 is an apocalyptic number.

13750391625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13750391625 is a deficient number, since it is larger than the sum of its proper divisors (9130260663).

13750391625 is an equidigital number, since it uses as much as digits as its factorization.

13750391625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36667729 (or 36667719 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 42.

The spelling of 13750391625 in words is "thirteen billion, seven hundred fifty million, three hundred ninety-one thousand, six hundred twenty-five".