13709015325 has 36 divisors (see below), whose sum is σ = 24797523348. Its totient is φ = 7239072000.

The previous prime is 13709015303. The next prime is 13709015357. The reversal of 13709015325 is 52351090731.

13709015325 is a `hidden beast` number, since 1 + 37 + 0 + 90 + 1 + 532 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 289646361 + 13419368964 = 17019^2 + 115842^2 .

It is not a de Polignac number, because 13709015325 - 2⁵ = 13709015293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13709015325.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 278904 + ... + 324353.

It is an arithmetic number, because the mean of its divisors is an integer number (688820093).

Almost surely, 2^13709015325 is an apocalyptic number.

13709015325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13709015325 is a deficient number, since it is larger than the sum of its proper divisors (11088508023).

13709015325 is a wasteful number, since it uses less digits than its factorization.

13709015325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603374 (or 603366 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The spelling of 13709015325 in words is "thirteen billion, seven hundred nine million, fifteen thousand, three hundred twenty-five".