2630415643 has 4 divisors (see below), whose sum is σ = 2666448808. Its totient is φ = 2594382480.

The previous prime is 2630415637. The next prime is 2630415647. The reversal of 2630415643 is 3465140362.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2630415643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2630415599 and 2630415608.

It is not an unprimeable number, because it can be changed into a prime (2630415647) 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 in 3 ways as a sum of consecutive naturals, for example, 18016473 + ... + 18016618.

It is an arithmetic number, because the mean of its divisors is an integer number (666612202).

Almost surely, 2^2630415643 is an apocalyptic number.

2630415643 is a deficient number, since it is larger than the sum of its proper divisors (36033165).

2630415643 is an equidigital number, since it uses as much as digits as its factorization.

2630415643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36033164.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 2630415643 is about 51287.5778624805. The cubic root of 2630415643 is about 1380.4100935867.

The spelling of 2630415643 in words is "two billion, six hundred thirty million, four hundred fifteen thousand, six hundred forty-three".