5102645609 has 2 divisors, whose sum is σ = 5102645610. Its totient is φ = 5102645608.

The previous prime is 5102645599. The next prime is 5102645627. The reversal of 5102645609 is 9065462015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4747210000 + 355435609 = 68900^2 + 18853^2 .

It is a cyclic number.

It is not a de Polignac number, because 5102645609 - 2¹² = 5102641513 is a prime.

It is a super-2 number, since 2×5102645609² = 52073984422093961762, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5102645699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2551322804 + 2551322805.

It is an arithmetic number, because the mean of its divisors is an integer number (2551322805).

Almost surely, 2^5102645609 is an apocalyptic number.

It is an amenable number.

5102645609 is a deficient number, since it is larger than the sum of its proper divisors (1).

5102645609 is an equidigital number, since it uses as much as digits as its factorization.

5102645609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 5102645609 is about 71432.8048518326. The cubic root of 5102645609 is about 1721.5982090402.

The spelling of 5102645609 in words is "five billion, one hundred two million, six hundred forty-five thousand, six hundred nine".