5145982669 has 2 divisors, whose sum is σ = 5145982670. Its totient is φ = 5145982668.

The previous prime is 5145982661. The next prime is 5145982679. The reversal of 5145982669 is 9662895415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4794870025 + 351112644 = 69245^2 + 18738^2 .

It is a cyclic number.

It is not a de Polignac number, because 5145982669 - 2³ = 5145982661 is a prime.

It is a super-2 number, since 2×5145982669² = 52962275259296727122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5145982661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2572991334 + 2572991335.

It is an arithmetic number, because the mean of its divisors is an integer number (2572991335).

Almost surely, 2^5145982669 is an apocalyptic number.

It is an amenable number.

5145982669 is a deficient number, since it is larger than the sum of its proper divisors (1).

5145982669 is an equidigital number, since it uses as much as digits as its factorization.

5145982669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4665600, while the sum is 55.

The square root of 5145982669 is about 71735.5049400226. The cubic root of 5145982669 is about 1726.4583529782.

The spelling of 5145982669 in words is "five billion, one hundred forty-five million, nine hundred eighty-two thousand, six hundred sixty-nine".