19596231049 has 2 divisors, whose sum is σ = 19596231050. Its totient is φ = 19596231048.

The previous prime is 19596231047. The next prime is 19596231073. The reversal of 19596231049 is 94013269591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18523210000 + 1073021049 = 136100^2 + 32757^2 .

It is a cyclic number.

It is not a de Polignac number, because 19596231049 - 2¹ = 19596231047 is a prime.

Together with 19596231047, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 19596230993 and 19596231011.

It is not a weakly prime, because it can be changed into another prime (19596231047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9798115524 + 9798115525.

It is an arithmetic number, because the mean of its divisors is an integer number (9798115525).

Almost surely, 2^19596231049 is an apocalyptic number.

It is an amenable number.

19596231049 is a deficient number, since it is larger than the sum of its proper divisors (1).

19596231049 is an equidigital number, since it uses as much as digits as its factorization.

19596231049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 49.

The spelling of 19596231049 in words is "nineteen billion, five hundred ninety-six million, two hundred thirty-one thousand, forty-nine".