19427204344936 has 16 divisors (see below), whose sum is σ = 36470054118240. Its totient is φ = 9701856580080.

The previous prime is 19427204344931. The next prime is 19427204344973. The reversal of 19427204344936 is 63944340272491.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (19427204344931) 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, 1468192020 + ... + 1468205251.

It is an arithmetic number, because the mean of its divisors is an integer number (2279378382390).

Almost surely, 2^{19427204344936} is an apocalyptic number.

It is an amenable number.

19427204344936 is a deficient number, since it is larger than the sum of its proper divisors (17042849773304).

19427204344936 is a wasteful number, since it uses less digits than its factorization.

19427204344936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936398104 (or 2936398100 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 58.

The spelling of 19427204344936 in words is "nineteen trillion, four hundred twenty-seven billion, two hundred four million, three hundred forty-four thousand, nine hundred thirty-six".