2625377369 has 2 divisors, whose sum is σ = 2625377370. Its totient is φ = 2625377368.

The previous prime is 2625377309. The next prime is 2625377387. The reversal of 2625377369 is 9637735262.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2456689225 + 168688144 = 49565^2 + 12988^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2625377369 is a prime.

It is a super-2 number, since 2×2625377369² = 13785212659314724322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2625377309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1312688684 + 1312688685.

It is an arithmetic number, because the mean of its divisors is an integer number (1312688685).

Almost surely, 2^2625377369 is an apocalyptic number.

It is an amenable number.

2625377369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2625377369 is an equidigital number, since it uses as much as digits as its factorization.

2625377369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2857680, while the sum is 50.

The square root of 2625377369 is about 51238.4364417963. The cubic root of 2625377369 is about 1379.5281886712.

The spelling of 2625377369 in words is "two billion, six hundred twenty-five million, three hundred seventy-seven thousand, three hundred sixty-nine".