2445623539 has 2 divisors, whose sum is σ = 2445623540. Its totient is φ = 2445623538.

The previous prime is 2445623533. The next prime is 2445623549. The reversal of 2445623539 is 9353265442.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2445623539 - 2⁵ = 2445623507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2445623495 and 2445623504.

It is not a weakly prime, because it can be changed into another prime (2445623533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222811769 + 1222811770.

It is an arithmetic number, because the mean of its divisors is an integer number (1222811770).

Almost surely, 2^2445623539 is an apocalyptic number.

2445623539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2445623539 is an equidigital number, since it uses as much as digits as its factorization.

2445623539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 43.

The square root of 2445623539 is about 49453.2459905313. The cubic root of 2445623539 is about 1347.2965631544.

The spelling of 2445623539 in words is "two billion, four hundred forty-five million, six hundred twenty-three thousand, five hundred thirty-nine".