13489449300 has 54 divisors (see below), whose sum is σ = 42281932238. Its totient is φ = 3597186240.

The previous prime is 13489449277. The next prime is 13489449341. The reversal of 13489449300 is 394498431.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2374807824 + 11114641476 = 48732^2 + 105426^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7493239 + ... + 7495038.

Almost surely, 2^13489449300 is an apocalyptic number.

13489449300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13489449300 is an abundant number, since it is smaller than the sum of its proper divisors (28792482938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13489449300 is a wasteful number, since it uses less digits than its factorization.

13489449300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14988297 (or 14988287 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 13489449300 in words is "thirteen billion, four hundred eighty-nine million, four hundred forty-nine thousand, three hundred".