5154768891 has 24 divisors (see below), whose sum is σ = 7488308880. Its totient is φ = 3416924736.

The previous prime is 5154768847. The next prime is 5154768953. The reversal of 5154768891 is 1988674515.

It is a happy number.

5154768891 is a `hidden beast` number, since 5 + 1 + 5 + 476 + 88 + 91 = 666.

It is not a de Polignac number, because 5154768891 - 2⁹ = 5154768379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5154768791) 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, 2509821 + ... + 2511873.

It is an arithmetic number, because the mean of its divisors is an integer number (312012870).

Almost surely, 2^5154768891 is an apocalyptic number.

5154768891 is a deficient number, since it is larger than the sum of its proper divisors (2333539989).

5154768891 is a wasteful number, since it uses less digits than its factorization.

5154768891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515 (or 3512 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 54.

The square root of 5154768891 is about 71796.7192217026. The cubic root of 5154768891 is about 1727.4403760654.

The spelling of 5154768891 in words is "five billion, one hundred fifty-four million, seven hundred sixty-eight thousand, eight hundred ninety-one".