18952000705 has 24 divisors (see below), whose sum is σ = 25014666600. Its totient is φ = 13773999360.

The previous prime is 18952000651. The next prime is 18952000763. The reversal of 18952000705 is 50700025981.

18952000705 is a nontrivial binomial coefficient, being equal to C(194690, 2).

It can be written as a sum of positive squares in 4 ways, for example, as 5550697009 + 13401303696 = 74503^2 + 115764^2 .

It is a de Polignac number, because none of the positive numbers 2^k-18952000705 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 963711 + ... + 983179.

It is an arithmetic number, because the mean of its divisors is an integer number (1042277775).

Almost surely, 2^18952000705 is an apocalyptic number.

18952000705 is the 194689-th triangular number and also the 97345-th hexagonal number.

18952000705 is the 64897-th centered nonagonal number.

It is an amenable number.

18952000705 is a deficient number, since it is larger than the sum of its proper divisors (6062665895).

18952000705 is a wasteful number, since it uses less digits than its factorization.

18952000705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21105 (or 21094 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 18952000705 in words is "eighteen billion, nine hundred fifty-two million, seven hundred five", and thus it is an aban number.