20607425369 has 2 divisors, whose sum is σ = 20607425370. Its totient is φ = 20607425368.

The previous prime is 20607425359. The next prime is 20607425387. The reversal of 20607425369 is 96352470602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20588806144 + 18619225 = 143488^2 + 4315^2 .

It is a cyclic number.

It is not a de Polignac number, because 20607425369 - 2²⁴ = 20590648153 is a prime.

It is a super-2 number, since 2×20607425369² (a number of 21 digits) 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 (20607425329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10303712684 + 10303712685.

It is an arithmetic number, because the mean of its divisors is an integer number (10303712685).

Almost surely, 2^20607425369 is an apocalyptic number.

It is an amenable number.

20607425369 is a deficient number, since it is larger than the sum of its proper divisors (1).

20607425369 is an equidigital number, since it uses as much as digits as its factorization.

20607425369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 20607425369 in words is "twenty billion, six hundred seven million, four hundred twenty-five thousand, three hundred sixty-nine".