19797057332583 has 4 divisors (see below), whose sum is σ = 26396076443448. Its totient is φ = 13198038221720.

The previous prime is 19797057332543. The next prime is 19797057332593. The reversal of 19797057332583 is 38523375079791.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 19797057332583 - 2¹⁰ = 19797057331559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19797057332543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3299509555428 + ... + 3299509555433.

It is an arithmetic number, because the mean of its divisors is an integer number (6599019110862).

Almost surely, 2^{19797057332583} is an apocalyptic number.

19797057332583 is a deficient number, since it is larger than the sum of its proper divisors (6599019110865).

19797057332583 is an equidigital number, since it uses as much as digits as its factorization.

19797057332583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6599019110864.

The product of its (nonzero) digits is 300056400, while the sum is 69.

The spelling of 19797057332583 in words is "nineteen trillion, seven hundred ninety-seven billion, fifty-seven million, three hundred thirty-two thousand, five hundred eighty-three".