5213917858 has 8 divisors (see below), whose sum is σ = 7890088428. Its totient is φ = 2583888384.

The previous prime is 5213917811. The next prime is 5213917879. The reversal of 5213917858 is 8587193125.

It can be written as a sum of positive squares in 2 ways, for example, as 5149067049 + 64850809 = 71757^2 + 8053^2 .

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, 11534991 + ... + 11535442.

Almost surely, 2^5213917858 is an apocalyptic number.

5213917858 is a deficient number, since it is larger than the sum of its proper divisors (2676170570).

5213917858 is a wasteful number, since it uses less digits than its factorization.

5213917858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23070548.

The product of its digits is 604800, while the sum is 49.

The square root of 5213917858 is about 72207.4640047689. The cubic root of 5213917858 is about 1734.0224994830.

The spelling of 5213917858 in words is "five billion, two hundred thirteen million, nine hundred seventeen thousand, eight hundred fifty-eight".