5151519977 has 4 divisors (see below), whose sum is σ = 5154860160. Its totient is φ = 5148179796.

The previous prime is 5151519887. The next prime is 5151520007. The reversal of 5151519977 is 7799151515.

It is a happy number.

5151519977 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7799151515 = 5 ⋅1559830303.

It is a cyclic number.

It is not a de Polignac number, because 5151519977 - 2¹⁸ = 5151257833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5150519977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667777 + ... + 1670862.

It is an arithmetic number, because the mean of its divisors is an integer number (1288715040).

Almost surely, 2^5151519977 is an apocalyptic number.

It is an amenable number.

5151519977 is a deficient number, since it is larger than the sum of its proper divisors (3340183).

5151519977 is a wasteful number, since it uses less digits than its factorization.

5151519977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340182.

The product of its digits is 496125, while the sum is 50.

The square root of 5151519977 is about 71774.0898723209. The cubic root of 5151519977 is about 1727.0773798542.

The spelling of 5151519977 in words is "five billion, one hundred fifty-one million, five hundred nineteen thousand, nine hundred seventy-seven".