3125932299509 has 2 divisors, whose sum is σ = 3125932299510. Its totient is φ = 3125932299508.

The previous prime is 3125932299449. The next prime is 3125932299731. The reversal of 3125932299509 is 9059922395213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2942178617284 + 183753682225 = 1715278^2 + 428665^2 .

It is an emirp because it is prime and its reverse (9059922395213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3125932299509 - 2¹² = 3125932295413 is a prime.

It is a super-2 number, since 2×3125932299509² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3125932299109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562966149754 + 1562966149755.

It is an arithmetic number, because the mean of its divisors is an integer number (1562966149755).

Almost surely, 2^{3125932299509} is an apocalyptic number.

It is an amenable number.

3125932299509 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125932299509 is an equidigital number, since it uses as much as digits as its factorization.

3125932299509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11809800, while the sum is 59.

The spelling of 3125932299509 in words is "three trillion, one hundred twenty-five billion, nine hundred thirty-two million, two hundred ninety-nine thousand, five hundred nine".