5151898458 has 32 divisors (see below), whose sum is σ = 13084187520. Its totient is φ = 1471970880.

The previous prime is 5151898361. The next prime is 5151898487. The reversal of 5151898458 is 8548981515.

5151898458 is a `hidden beast` number, since 5 + 1 + 5 + 189 + 8 + 458 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6814303 + ... + 6815058.

It is an arithmetic number, because the mean of its divisors is an integer number (408880860).

Almost surely, 2^5151898458 is an apocalyptic number.

5151898458 is an abundant number, since it is smaller than the sum of its proper divisors (7932289062).

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

5151898458 is a wasteful number, since it uses less digits than its factorization.

5151898458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13629379 (or 13629373 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 54.

The square root of 5151898458 is about 71776.7264369169. The cubic root of 5151898458 is about 1727.1196748124.

The spelling of 5151898458 in words is "five billion, one hundred fifty-one million, eight hundred ninety-eight thousand, four hundred fifty-eight".