19193738484 has 24 divisors (see below), whose sum is σ = 44794195488. Its totient is φ = 6396654880.

The previous prime is 19193738467. The next prime is 19193738491. The reversal of 19193738484 is 48483739191.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92607 + ... + 216710.

It is an arithmetic number, because the mean of its divisors is an integer number (1866424812).

Almost surely, 2^19193738484 is an apocalyptic number.

It is an amenable number.

19193738484 is an abundant number, since it is smaller than the sum of its proper divisors (25600457004).

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

19193738484 is a wasteful number, since it uses less digits than its factorization.

19193738484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314495 (or 314493 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 57.

The spelling of 19193738484 in words is "nineteen billion, one hundred ninety-three million, seven hundred thirty-eight thousand, four hundred eighty-four".