2623144399 has 2 divisors, whose sum is σ = 2623144400. Its totient is φ = 2623144398.

The previous prime is 2623144397. The next prime is 2623144409. The reversal of 2623144399 is 9934413262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2623144399 - 2¹ = 2623144397 is a prime.

Together with 2623144397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2623144397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311572199 + 1311572200.

It is an arithmetic number, because the mean of its divisors is an integer number (1311572200).

Almost surely, 2^2623144399 is an apocalyptic number.

2623144399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2623144399 is an equidigital number, since it uses as much as digits as its factorization.

2623144399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 43.

The square root of 2623144399 is about 51216.6418168939. The cubic root of 2623144399 is about 1379.1369663339.

The spelling of 2623144399 in words is "two billion, six hundred twenty-three million, one hundred forty-four thousand, three hundred ninety-nine".