13501453149 has 18 divisors (see below), whose sum is σ = 19772980890. Its totient is φ = 8877636288.

The previous prime is 13501453111. The next prime is 13501453153. The reversal of 13501453149 is 94135410531.

13501453149 is a `hidden beast` number, since 1 + 3 + 501 + 4 + 5 + 3 + 149 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 5249002500 + 8252450649 = 72450^2 + 90843^2 .

It is not a de Polignac number, because 13501453149 - 2⁹ = 13501452637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13501453549) 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, 92794 + ... + 188715.

Almost surely, 2^13501453149 is an apocalyptic number.

It is an amenable number.

13501453149 is a deficient number, since it is larger than the sum of its proper divisors (6271527741).

13501453149 is an equidigital number, since it uses as much as digits as its factorization.

13501453149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281661 (or 281585 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 13501453149 in words is "thirteen billion, five hundred one million, four hundred fifty-three thousand, one hundred forty-nine".