13390363225 has 24 divisors (see below), whose sum is σ = 18009581688. Its totient is φ = 9836236800.

The previous prime is 13390363223. The next prime is 13390363241. The reversal of 13390363225 is 52236309331.

It can be written as a sum of positive squares in 12 ways, for example, as 3005122761 + 10385240464 = 54819^2 + 101908^2 .

It is not a de Polignac number, because 13390363225 - 2¹ = 13390363223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13390363223) 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, 366804 + ... + 401653.

It is an arithmetic number, because the mean of its divisors is an integer number (750399237).

Almost surely, 2^13390363225 is an apocalyptic number.

It is an amenable number.

13390363225 is a deficient number, since it is larger than the sum of its proper divisors (4619218463).

13390363225 is a wasteful number, since it uses less digits than its factorization.

13390363225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768525 (or 768520 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 37.

The spelling of 13390363225 in words is "thirteen billion, three hundred ninety million, three hundred sixty-three thousand, two hundred twenty-five".