13495042890 has 48 divisors (see below), whose sum is σ = 40099557888. Its totient is φ = 3084581088.

The previous prime is 13495042849. The next prime is 13495042907. The reversal of 13495042890 is 9824059431.

13495042890 is a `hidden beast` number, since 1 + 34 + 9 + 504 + 28 + 90 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10709722 + ... + 10710981.

It is an arithmetic number, because the mean of its divisors is an integer number (835407456).

Almost surely, 2^13495042890 is an apocalyptic number.

13495042890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13495042890 is an abundant number, since it is smaller than the sum of its proper divisors (26604514998).

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

13495042890 is a wasteful number, since it uses less digits than its factorization.

13495042890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21420723 (or 21420720 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 13495042890 in words is "thirteen billion, four hundred ninety-five million, forty-two thousand, eight hundred ninety".