2351649312 has 72 divisors (see below), whose sum is σ = 6692278320. Its totient is φ = 783323520.

The previous prime is 2351649301. The next prime is 2351649347. The reversal of 2351649312 is 2139461532.

2351649312 is a `hidden beast` number, since 2 + 3 + 5 + 1 + 649 + 3 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 671887 + ... + 675377.

It is an arithmetic number, because the mean of its divisors is an integer number (92948310).

Almost surely, 2^2351649312 is an apocalyptic number.

It is an amenable number.

2351649312 is an abundant number, since it is smaller than the sum of its proper divisors (4340629008).

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

2351649312 is a wasteful number, since it uses less digits than its factorization.

2351649312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5846 (or 5835 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 2351649312 is about 48493.8069448048. The cubic root of 2351649312 is about 1329.8138530066.

The spelling of 2351649312 in words is "two billion, three hundred fifty-one million, six hundred forty-nine thousand, three hundred twelve".