5151856730 has 8 divisors (see below), whose sum is σ = 9273342132. Its totient is φ = 2060742688.

The previous prime is 5151856711. The next prime is 5151856751. The reversal of 5151856730 is 376581515.

It can be written as a sum of positive squares in 2 ways, for example, as 5106388681 + 45468049 = 71459^2 + 6743^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257592827 + ... + 257592846.

Almost surely, 2^5151856730 is an apocalyptic number.

5151856730 is a deficient number, since it is larger than the sum of its proper divisors (4121485402).

5151856730 is a wasteful number, since it uses less digits than its factorization.

5151856730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515185680.

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 5151856730 is about 71776.4357571480. The cubic root of 5151856730 is about 1727.1150118424.

The spelling of 5151856730 in words is "five billion, one hundred fifty-one million, eight hundred fifty-six thousand, seven hundred thirty".