5155394669 has 2 divisors, whose sum is σ = 5155394670. Its totient is φ = 5155394668.

The previous prime is 5155394633. The next prime is 5155394681. The reversal of 5155394669 is 9664935515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4377542569 + 777852100 = 66163^2 + 27890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5155394669 is a prime.

It is a super-2 number, since 2×5155394669² = 53156188386307239122, 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 5155394669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5155394369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2577697334 + 2577697335.

It is an arithmetic number, because the mean of its divisors is an integer number (2577697335).

Almost surely, 2^5155394669 is an apocalyptic number.

It is an amenable number.

5155394669 is a deficient number, since it is larger than the sum of its proper divisors (1).

5155394669 is an equidigital number, since it uses as much as digits as its factorization.

5155394669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4374000, while the sum is 53.

The square root of 5155394669 is about 71801.0770740941. The cubic root of 5155394669 is about 1727.5102757684.

The spelling of 5155394669 in words is "five billion, one hundred fifty-five million, three hundred ninety-four thousand, six hundred sixty-nine".