2509824643 has 2 divisors, whose sum is σ = 2509824644. Its totient is φ = 2509824642.

The previous prime is 2509824601. The next prime is 2509824679. The reversal of 2509824643 is 3464289052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2509824643 is a prime.

It is a super-2 number, since 2×2509824643² = 12598439477220154898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2509824643.

It is not a weakly prime, because it can be changed into another prime (2509824683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1254912321 + 1254912322.

It is an arithmetic number, because the mean of its divisors is an integer number (1254912322).

Almost surely, 2^2509824643 is an apocalyptic number.

2509824643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2509824643 is an equidigital number, since it uses as much as digits as its factorization.

2509824643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 2509824643 is about 50098.1500955874. The cubic root of 2509824643 is about 1358.9843633678.

The spelling of 2509824643 in words is "two billion, five hundred nine million, eight hundred twenty-four thousand, six hundred forty-three".