19492820363 has 8 divisors (see below), whose sum is σ = 19982486160. Its totient is φ = 19003832320.

The previous prime is 19492820353. The next prime is 19492820383. The reversal of 19492820363 is 36302829491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19492820363 - 2⁶ = 19492820299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19492820323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110945 + ... + 226482.

It is an arithmetic number, because the mean of its divisors is an integer number (2497810770).

Almost surely, 2^19492820363 is an apocalyptic number.

19492820363 is a deficient number, since it is larger than the sum of its proper divisors (489665797).

19492820363 is a wasteful number, since it uses less digits than its factorization.

19492820363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338877.

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 19492820363 in words is "nineteen billion, four hundred ninety-two million, eight hundred twenty thousand, three hundred sixty-three".