13036923425 has 18 divisors (see below), whose sum is σ = 16292134134. Its totient is φ = 10348104000.

The previous prime is 13036923421. The next prime is 13036923439. The reversal of 13036923425 is 52432963031.

It can be written as a sum of positive squares in 3 ways, for example, as 1100049889 + 11936873536 = 33167^2 + 109256^2 .

It is not a de Polignac number, because 13036923425 - 2² = 13036923421 is a prime.

It is a super-2 number, since 2×13036923425² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13036923421) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6681200 + ... + 6683150.

It is an arithmetic number, because the mean of its divisors is an integer number (905118563).

Almost surely, 2^13036923425 is an apocalyptic number.

It is an amenable number.

13036923425 is a deficient number, since it is larger than the sum of its proper divisors (3255210709).

13036923425 is an frugal number, since it uses more digits than its factorization.

13036923425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4049 (or 2093 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 13036923425 in words is "thirteen billion, thirty-six million, nine hundred twenty-three thousand, four hundred twenty-five".