19396424277 has 12 divisors (see below), whose sum is σ = 28018463200. Its totient is φ = 12930300648.

The previous prime is 19396424273. The next prime is 19396424387. The reversal of 19396424277 is 77242469391.

19396424277 is a `hidden beast` number, since 1 + 9 + 396 + 4 + 242 + 7 + 7 = 666.

It is not a de Polignac number, because 19396424277 - 2² = 19396424273 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 (19396424273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196224 + ... + 278022.

Almost surely, 2^19396424277 is an apocalyptic number.

It is an amenable number.

19396424277 is a deficient number, since it is larger than the sum of its proper divisors (8622038923).

19396424277 is a wasteful number, since it uses less digits than its factorization.

19396424277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108152 (or 108149 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The spelling of 19396424277 in words is "nineteen billion, three hundred ninety-six million, four hundred twenty-four thousand, two hundred seventy-seven".