5157946730 has 8 divisors (see below), whose sum is σ = 9284304132. Its totient is φ = 2063178688.

The previous prime is 5157946723. The next prime is 5157946747. The reversal of 5157946730 is 376497515.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5146771081 + 11175649 = 71741^2 + 3343^2 .

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, 257897327 + ... + 257897346.

Almost surely, 2^5157946730 is an apocalyptic number.

5157946730 is a deficient number, since it is larger than the sum of its proper divisors (4126357402).

5157946730 is a wasteful number, since it uses less digits than its factorization.

5157946730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515794680.

The product of its (nonzero) digits is 793800, while the sum is 47.

The square root of 5157946730 is about 71818.8466212038. The cubic root of 5157946730 is about 1727.7952836489.

The spelling of 5157946730 in words is "five billion, one hundred fifty-seven million, nine hundred forty-six thousand, seven hundred thirty".