2625132440509 has 2 divisors, whose sum is σ = 2625132440510. Its totient is φ = 2625132440508.

The previous prime is 2625132440383. The next prime is 2625132440533. The reversal of 2625132440509 is 9050442315262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2587343024484 + 37789416025 = 1608522^2 + 194395^2 .

It is a cyclic number.

It is not a de Polignac number, because 2625132440509 - 2⁴¹ = 426109184957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2625132440549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1312566220254 + 1312566220255.

It is an arithmetic number, because the mean of its divisors is an integer number (1312566220255).

Almost surely, 2^{2625132440509} is an apocalyptic number.

It is an amenable number.

2625132440509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2625132440509 is an equidigital number, since it uses as much as digits as its factorization.

2625132440509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 2625132440509 in words is "two trillion, six hundred twenty-five billion, one hundred thirty-two million, four hundred forty thousand, five hundred nine".