10625339909 has 2 divisors, whose sum is σ = 10625339910. Its totient is φ = 10625339908.

The previous prime is 10625339897. The next prime is 10625339911. The reversal of 10625339909 is 90993352601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10551809284 + 73530625 = 102722^2 + 8575^2 .

It is a cyclic number.

It is not a de Polignac number, because 10625339909 - 2²⁴ = 10608562693 is a prime.

It is a super-2 number, since 2×10625339909² (a number of 21 digits) contains 22 as substring.

Together with 10625339911, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10625339929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5312669954 + 5312669955.

It is an arithmetic number, because the mean of its divisors is an integer number (5312669955).

Almost surely, 2^10625339909 is an apocalyptic number.

It is an amenable number.

10625339909 is a deficient number, since it is larger than the sum of its proper divisors (1).

10625339909 is an equidigital number, since it uses as much as digits as its factorization.

10625339909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 393660, while the sum is 47.

The spelling of 10625339909 in words is "ten billion, six hundred twenty-five million, three hundred thirty-nine thousand, nine hundred nine".