19474053213 has 4 divisors (see below), whose sum is σ = 25965404288. Its totient is φ = 12982702140.

The previous prime is 19474053167. The next prime is 19474053257. The reversal of 19474053213 is 31235047491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 19474053213 - 2⁸ = 19474052957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19474053283) 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, 3245675533 + ... + 3245675538.

It is an arithmetic number, because the mean of its divisors is an integer number (6491351072).

Almost surely, 2^19474053213 is an apocalyptic number.

It is an amenable number.

19474053213 is a deficient number, since it is larger than the sum of its proper divisors (6491351075).

19474053213 is an equidigital number, since it uses as much as digits as its factorization.

19474053213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6491351074.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 19474053213 in words is "nineteen billion, four hundred seventy-four million, fifty-three thousand, two hundred thirteen".