13051542450 has 48 divisors (see below), whose sum is σ = 32375427840. Its totient is φ = 3479593920.

The previous prime is 13051542437. The next prime is 13051542451. The reversal of 13051542450 is 5424515031.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13051542451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 899856 + ... + 914244.

It is an arithmetic number, because the mean of its divisors is an integer number (674488080).

Almost surely, 2^13051542450 is an apocalyptic number.

13051542450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13051542450 is an abundant number, since it is smaller than the sum of its proper divisors (19323885390).

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

13051542450 is a wasteful number, since it uses less digits than its factorization.

13051542450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20451 (or 20446 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 13051542450 in words is "thirteen billion, fifty-one million, five hundred forty-two thousand, four hundred fifty".