13649339325 has 24 divisors (see below), whose sum is σ = 23047060608. Its totient is φ = 7124759680.

The previous prime is 13649339311. The next prime is 13649339329. The reversal of 13649339325 is 52393394631.

It is a happy number.

It is not a de Polignac number, because 13649339325 - 2¹⁴ = 13649322941 is a prime.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13649339329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1932552 + ... + 1939601.

It is an arithmetic number, because the mean of its divisors is an integer number (960294192).

Almost surely, 2^13649339325 is an apocalyptic number.

13649339325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13649339325 is a deficient number, since it is larger than the sum of its proper divisors (9397721283).

13649339325 is a wasteful number, since it uses less digits than its factorization.

13649339325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872213 (or 3872208 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 48.

The spelling of 13649339325 in words is "thirteen billion, six hundred forty-nine million, three hundred thirty-nine thousand, three hundred twenty-five".