13623541245 has 12 divisors (see below), whose sum is σ = 23614138236. Its totient is φ = 7265888640.

The previous prime is 13623541241. The next prime is 13623541339. The reversal of 13623541245 is 54214532631.

13623541245 is a `hidden beast` number, since 1 + 3 + 6 + 235 + 412 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5107389156 + 8516152089 = 71466^2 + 92283^2 .

It is not a de Polignac number, because 13623541245 - 2² = 13623541241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13623541241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151372636 + ... + 151372725.

It is an arithmetic number, because the mean of its divisors is an integer number (1967844853).

Almost surely, 2^13623541245 is an apocalyptic number.

13623541245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13623541245 is a deficient number, since it is larger than the sum of its proper divisors (9990596991).

13623541245 is a wasteful number, since it uses less digits than its factorization.

13623541245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302745372 (or 302745369 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The spelling of 13623541245 in words is "thirteen billion, six hundred twenty-three million, five hundred forty-one thousand, two hundred forty-five".