5155061669 has 2 divisors, whose sum is σ = 5155061670. Its totient is φ = 5155061668.

The previous prime is 5155061609. The next prime is 5155061701. The reversal of 5155061669 is 9661605515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5107960900 + 47100769 = 71470^2 + 6863^2 .

It is a cyclic number.

It is not a de Polignac number, because 5155061669 - 2⁸ = 5155061413 is a prime.

It is a super-2 number, since 2×5155061669² = 53149321622386131122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5155061609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2577530834 + 2577530835.

It is an arithmetic number, because the mean of its divisors is an integer number (2577530835).

Almost surely, 2^5155061669 is an apocalyptic number.

It is an amenable number.

5155061669 is a deficient number, since it is larger than the sum of its proper divisors (1).

5155061669 is an equidigital number, since it uses as much as digits as its factorization.

5155061669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243000, while the sum is 44.

The square root of 5155061669 is about 71798.7581299287. The cubic root of 5155061669 is about 1727.4730802127.

The spelling of 5155061669 in words is "five billion, one hundred fifty-five million, sixty-one thousand, six hundred sixty-nine".