5158436945 has 4 divisors (see below), whose sum is σ = 6190124340. Its totient is φ = 4126749552.

The previous prime is 5158436929. The next prime is 5158436953. The reversal of 5158436945 is 5496348515.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1021889089 + 4136547856 = 31967^2 + 64316^2 .

It is a cyclic number.

It is not a de Polignac number, because 5158436945 - 2⁴ = 5158436929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5158436893 and 5158436902.

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, 515843690 + ... + 515843699.

It is an arithmetic number, because the mean of its divisors is an integer number (1547531085).

Almost surely, 2^5158436945 is an apocalyptic number.

It is an amenable number.

5158436945 is a deficient number, since it is larger than the sum of its proper divisors (1031687395).

5158436945 is a wasteful number, since it uses less digits than its factorization.

5158436945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031687394.

The product of its digits is 2592000, while the sum is 50.

The square root of 5158436945 is about 71822.2593977661. The cubic root of 5158436945 is about 1727.8500188874.

The spelling of 5158436945 in words is "five billion, one hundred fifty-eight million, four hundred thirty-six thousand, nine hundred forty-five".