2651380608 has 32 divisors (see below), whose sum is σ = 7042730760. Its totient is φ = 883793408.

The previous prime is 2651380583. The next prime is 2651380621. The reversal of 2651380608 is 8060831562.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3451935 + ... + 3452702.

Almost surely, 2^2651380608 is an apocalyptic number.

It is an amenable number.

2651380608 is an abundant number, since it is smaller than the sum of its proper divisors (4391350152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2651380608 is an equidigital number, since it uses as much as digits as its factorization.

2651380608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6904654 (or 6904642 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 2651380608 is about 51491.5586091546. The cubic root of 2651380608 is about 1384.0677793217.

The spelling of 2651380608 in words is "two billion, six hundred fifty-one million, three hundred eighty thousand, six hundred eight".