2351989044 has 36 divisors (see below), whose sum is σ = 6026754916. Its totient is φ = 773255808.

The previous prime is 2351989021. The next prime is 2351989051. The reversal of 2351989044 is 4409891532.

2351989044 is a `hidden beast` number, since 2 + 3 + 519 + 8 + 90 + 44 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1832696100 + 519292944 = 42810^2 + 22788^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 444859 + ... + 450114.

Almost surely, 2^2351989044 is an apocalyptic number.

It is an amenable number.

2351989044 is an abundant number, since it is smaller than the sum of its proper divisors (3674765872).

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

2351989044 is a wasteful number, since it uses less digits than its factorization.

2351989044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895056 (or 895051 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 2351989044 is about 48497.3096573408. The cubic root of 2351989044 is about 1329.8778872943.

The spelling of 2351989044 in words is "two billion, three hundred fifty-one million, nine hundred eighty-nine thousand, forty-four".