19010342884 has 27 divisors (see below), whose sum is σ = 36030831753. Its totient is φ = 8772349872.

The previous prime is 19010342873. The next prime is 19010342891. The reversal of 19010342884 is 48824301091.

The square root of 19010342884 is 137878.

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., 2812180900 + 16198161984 = 53030^2 + 127272^2 .

It is a super-2 number, since 2×19010342884² (a number of 21 digits) contains 22 as substring.

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 3582177 + ... + 3587479.

Almost surely, 2^19010342884 is an apocalyptic number.

19010342884 is the 137878-th square number.

It is an amenable number.

19010342884 is a deficient number, since it is larger than the sum of its proper divisors (17020488869).

19010342884 is an frugal number, since it uses more digits than its factorization.

19010342884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10636 (or 5318 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 19010342884 in words is "nineteen billion, ten million, three hundred forty-two thousand, eight hundred eighty-four".