5161412948819 has 4 divisors (see below), whose sum is σ = 5181496267944. Its totient is φ = 5141329629696.

The previous prime is 5161412948719. The next prime is 5161412948821. The reversal of 5161412948819 is 9188492141615.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5161412948819 is a prime.

It is a super-2 number, since 2×5161412948819² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5161412948849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10041659177 + ... + 10041659690.

It is an arithmetic number, because the mean of its divisors is an integer number (1295374066986).

Almost surely, 2^{5161412948819} is an apocalyptic number.

5161412948819 is a deficient number, since it is larger than the sum of its proper divisors (20083319125).

5161412948819 is a wasteful number, since it uses less digits than its factorization.

5161412948819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20083319124.

The product of its digits is 4976640, while the sum is 59.

The spelling of 5161412948819 in words is "five trillion, one hundred sixty-one billion, four hundred twelve million, nine hundred forty-eight thousand, eight hundred nineteen".