5158961381 has 8 divisors (see below), whose sum is σ = 5919447744. Its totient is φ = 4404348000.

The previous prime is 5158961347. The next prime is 5158961413. The reversal of 5158961381 is 1831698515.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5158961381 is a prime.

It is a super-2 number, since 2×5158961381² = 53229765061298854322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5158961281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1466360 + ... + 1469873.

It is an arithmetic number, because the mean of its divisors is an integer number (739930968).

Almost surely, 2^5158961381 is an apocalyptic number.

It is an amenable number.

5158961381 is a deficient number, since it is larger than the sum of its proper divisors (760486363).

5158961381 is a wasteful number, since it uses less digits than its factorization.

5158961381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936491.

The product of its digits is 259200, while the sum is 47.

The square root of 5158961381 is about 71825.9102343994. The cubic root of 5158961381 is about 1727.9085712523.

The spelling of 5158961381 in words is "five billion, one hundred fifty-eight million, nine hundred sixty-one thousand, three hundred eighty-one".