5161938995 has 4 divisors (see below), whose sum is σ = 6194326800. Its totient is φ = 4129551192.

The previous prime is 5161938953. The next prime is 5161939009. The reversal of 5161938995 is 5998391615.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5998391615 = 5 ⋅1199678323.

It is a cyclic number.

It is not a de Polignac number, because 5161938995 - 2¹⁴ = 5161922611 is a prime.

It is a super-2 number, since 2×5161938995² = 53291228376203220050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5161938995.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516193895 + ... + 516193904.

It is an arithmetic number, because the mean of its divisors is an integer number (1548581700).

Almost surely, 2^5161938995 is an apocalyptic number.

5161938995 is a deficient number, since it is larger than the sum of its proper divisors (1032387805).

5161938995 is a wasteful number, since it uses less digits than its factorization.

5161938995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032387804.

The product of its digits is 2624400, while the sum is 56.

The square root of 5161938995 is about 71846.6352378453. The cubic root of 5161938995 is about 1728.2409414608.

The spelling of 5161938995 in words is "five billion, one hundred sixty-one million, nine hundred thirty-eight thousand, nine hundred ninety-five".