19299322084 has 27 divisors (see below), whose sum is σ = 39291865347. Its totient is φ = 8270304504.

The previous prime is 19299322013. The next prime is 19299322151. The reversal of 19299322084 is 48022399291.

The square root of 19299322084 is 138922.

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

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1939947 + ... + 1949869.

Almost surely, 2^19299322084 is an apocalyptic number.

19299322084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19299322084 is the 138922-nd square number.

It is an amenable number.

19299322084 is an abundant number, since it is smaller than the sum of its proper divisors (19992543263).

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

19299322084 is an frugal number, since it uses more digits than its factorization.

19299322084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19864 (or 9932 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

Multiplying 19299322084 by its sum of digits (49), we get a square (945666782116 = 972454²).

19299322084 divided by its sum of digits (49) gives a square (393863716 = 19846²).

The spelling of 19299322084 in words is "nineteen billion, two hundred ninety-nine million, three hundred twenty-two thousand, eighty-four".