5115948769 has 2 divisors, whose sum is σ = 5115948770. Its totient is φ = 5115948768.

The previous prime is 5115948767. The next prime is 5115948787. The reversal of 5115948769 is 9678495115.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5021139600 + 94809169 = 70860^2 + 9737^2 .

It is a cyclic number.

It is not a de Polignac number, because 5115948769 - 2¹ = 5115948767 is a prime.

It is a super-2 number, since 2×5115948769² = 52345863614065230722, which contains 22 as substring.

Together with 5115948767, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5115948763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2557974384 + 2557974385.

It is an arithmetic number, because the mean of its divisors is an integer number (2557974385).

Almost surely, 2^5115948769 is an apocalyptic number.

It is an amenable number.

5115948769 is a deficient number, since it is larger than the sum of its proper divisors (1).

5115948769 is an equidigital number, since it uses as much as digits as its factorization.

5115948769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 55.

The square root of 5115948769 is about 71525.8608406778. The cubic root of 5115948769 is about 1723.0930428758.

The spelling of 5115948769 in words is "five billion, one hundred fifteen million, nine hundred forty-eight thousand, seven hundred sixty-nine".