5153947819 has 4 divisors (see below), whose sum is σ = 5293243744. Its totient is φ = 5014651896.

The previous prime is 5153947787. The next prime is 5153947837. The reversal of 5153947819 is 9187493515.

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

It is a cyclic number.

It is not a de Polignac number, because 5153947819 - 2⁵ = 5153947787 is a prime.

It is a super-2 number, since 2×5153947819² = 53126356241949713522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5153947219) 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, 69647907 + ... + 69647980.

It is an arithmetic number, because the mean of its divisors is an integer number (1323310936).

Almost surely, 2^5153947819 is an apocalyptic number.

5153947819 is a deficient number, since it is larger than the sum of its proper divisors (139295925).

5153947819 is a wasteful number, since it uses less digits than its factorization.

5153947819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139295924.

The product of its digits is 1360800, while the sum is 52.

The square root of 5153947819 is about 71791.0009611233. Note that the first 3 decimals coincide. The cubic root of 5153947819 is about 1727.3486533475.

The spelling of 5153947819 in words is "five billion, one hundred fifty-three million, nine hundred forty-seven thousand, eight hundred nineteen".