13453525450 has 24 divisors (see below), whose sum is σ = 26495532972. Its totient is φ = 5064856320.

The previous prime is 13453525441. The next prime is 13453525469. The reversal of 13453525450 is 5452535431.

It can be written as a sum of positive squares in 6 ways, for example, as 8845966809 + 4607558641 = 94053^2 + 67879^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7912989 + ... + 7914688.

Almost surely, 2^13453525450 is an apocalyptic number.

13453525450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13453525450 is a deficient number, since it is larger than the sum of its proper divisors (13042007522).

13453525450 is a wasteful number, since it uses less digits than its factorization.

13453525450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15827706 (or 15827701 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 13453525450 in words is "thirteen billion, four hundred fifty-three million, five hundred twenty-five thousand, four hundred fifty".