2644830746 has 4 divisors (see below), whose sum is σ = 3967246122. Its totient is φ = 1322415372.

The previous prime is 2644830739. The next prime is 2644830787. The reversal of 2644830746 is 6470384462.

2644830746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 2244390625 + 400440121 = 47375^2 + 20011^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2644830697 and 2644830706.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661207685 + ... + 661207688.

Almost surely, 2^2644830746 is an apocalyptic number.

2644830746 is a deficient number, since it is larger than the sum of its proper divisors (1322415376).

2644830746 is a wasteful number, since it uses less digits than its factorization.

2644830746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322415375.

The product of its (nonzero) digits is 774144, while the sum is 44.

The square root of 2644830746 is about 51427.9179629119. The cubic root of 2644830746 is about 1382.9271247558.

The spelling of 2644830746 in words is "two billion, six hundred forty-four million, eight hundred thirty thousand, seven hundred forty-six".