17900834436 has 45 divisors (see below), whose sum is σ = 46802613781. Its totient is φ = 5966142048.

The previous prime is 17900834423. The next prime is 17900834453. The reversal of 17900834436 is 63443800971.

The square root of 17900834436 is 133794.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1067328900 + 16833505536 = 32670^2 + 129744^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17900834391 and 17900834400.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2404576 + ... + 2412008.

Almost surely, 2^17900834436 is an apocalyptic number.

17900834436 is the 133794-th square number.

It is an amenable number.

17900834436 is an abundant number, since it is smaller than the sum of its proper divisors (28901779345).

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

17900834436 is an frugal number, since it uses more digits than its factorization.

17900834436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14882 (or 7438 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

It can be divided in two parts, 179008 and 34436, that added together give a square (213444 = 462²).

The spelling of 17900834436 in words is "seventeen billion, nine hundred million, eight hundred thirty-four thousand, four hundred thirty-six".