2651705630 has 16 divisors (see below), whose sum is σ = 5454937440. Its totient is φ = 909156192.

The previous prime is 2651705599. The next prime is 2651705633. The reversal of 2651705630 is 365071562.

2651705630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2651705633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18940685 + ... + 18940824.

It is an arithmetic number, because the mean of its divisors is an integer number (340933590).

Almost surely, 2^2651705630 is an apocalyptic number.

2651705630 is an abundant number, since it is smaller than the sum of its proper divisors (2803231810).

2651705630 is a wasteful number, since it uses less digits than its factorization.

2651705630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37881523.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 2651705630 is about 51494.7145831492. The cubic root of 2651705630 is about 1384.1243327636.

The spelling of 2651705630 in words is "two billion, six hundred fifty-one million, seven hundred five thousand, six hundred thirty".