2061994488 has 32 divisors (see below), whose sum is σ = 5176569600. Its totient is φ = 684453728.

The previous prime is 2061994463. The next prime is 2061994537. The reversal of 2061994488 is 8844991602.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2061994488.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174006 + ... + 185477.

It is an arithmetic number, because the mean of its divisors is an integer number (161767800).

Almost surely, 2^2061994488 is an apocalyptic number.

It is an amenable number.

2061994488 is an abundant number, since it is smaller than the sum of its proper divisors (3114575112).

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

2061994488 is a wasteful number, since it uses less digits than its factorization.

2061994488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359731 (or 359727 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The square root of 2061994488 is about 45409.1894664505. The cubic root of 2061994488 is about 1272.8068384902.

The spelling of 2061994488 in words is "two billion, sixty-one million, nine hundred ninety-four thousand, four hundred eighty-eight".