13125069450 has 36 divisors (see below), whose sum is σ = 35262687798. Its totient is φ = 3500018400.

The previous prime is 13125069427. The next prime is 13125069457. The reversal of 13125069450 is 5496052131.

13125069450 is a `hidden beast` number, since 1 + 3 + 12 + 506 + 94 + 50 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 7016240169 + 6108829281 = 83763^2 + 78159^2 .

It is not an unprimeable number, because it can be changed into a prime (13125069457) 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, 14582961 + ... + 14583860.

Almost surely, 2^13125069450 is an apocalyptic number.

13125069450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13125069450 is an abundant number, since it is smaller than the sum of its proper divisors (22137618348).

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

13125069450 is a wasteful number, since it uses less digits than its factorization.

13125069450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29166839 (or 29166831 counting only the distinct ones).

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

The spelling of 13125069450 in words is "thirteen billion, one hundred twenty-five million, sixty-nine thousand, four hundred fifty".