2630640635 has 8 divisors (see below), whose sum is σ = 3607735776. Its totient is φ = 1803867840.

The previous prime is 2630640587. The next prime is 2630640731. The reversal of 2630640635 is 5360460362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2630640635 - 2²⁰ = 2629592059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 75161161 = 2630640635 / (2 + 6 + 3 + 0 + 6 + 4 + 0 + 6 + 3 + 5).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2630640595 and 2630640604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37580546 + ... + 37580615.

It is an arithmetic number, because the mean of its divisors is an integer number (450966972).

Almost surely, 2^2630640635 is an apocalyptic number.

2630640635 is a deficient number, since it is larger than the sum of its proper divisors (977095141).

2630640635 is an equidigital number, since it uses as much as digits as its factorization.

2630640635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75161173.

The product of its (nonzero) digits is 77760, while the sum is 35.

The square root of 2630640635 is about 51289.7712511959. The cubic root of 2630640635 is about 1380.4494501517.

The spelling of 2630640635 in words is "two billion, six hundred thirty million, six hundred forty thousand, six hundred thirty-five".