19191829282 has 48 divisors (see below), whose sum is σ = 30765975552. Its totient is φ = 8976925440.

The previous prime is 19191829249. The next prime is 19191829291. The reversal of 19191829282 is 28292819191.

It is a happy number.

It is a super-2 number, since 2×19191829282² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28516498 + ... + 28517170.

It is an arithmetic number, because the mean of its divisors is an integer number (640957824).

Almost surely, 2^19191829282 is an apocalyptic number.

19191829282 is a deficient number, since it is larger than the sum of its proper divisors (11574146270).

19191829282 is a wasteful number, since it uses less digits than its factorization.

19191829282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151 (or 1132 counting only the distinct ones).

The product of its digits is 373248, while the sum is 52.

The spelling of 19191829282 in words is "nineteen billion, one hundred ninety-one million, eight hundred twenty-nine thousand, two hundred eighty-two".