19324071953 has 2 divisors, whose sum is σ = 19324071954. Its totient is φ = 19324071952.

The previous prime is 19324071919. The next prime is 19324071959. The reversal of 19324071953 is 35917042391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16101579664 + 3222492289 = 126892^2 + 56767^2 .

It is a cyclic number.

It is not a de Polignac number, because 19324071953 - 2¹⁸ = 19323809809 is a prime.

It is not a weakly prime, because it can be changed into another prime (19324071959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9662035976 + 9662035977.

It is an arithmetic number, because the mean of its divisors is an integer number (9662035977).

Almost surely, 2^19324071953 is an apocalyptic number.

It is an amenable number.

19324071953 is a deficient number, since it is larger than the sum of its proper divisors (1).

19324071953 is an equidigital number, since it uses as much as digits as its factorization.

19324071953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 19324071953 in words is "nineteen billion, three hundred twenty-four million, seventy-one thousand, nine hundred fifty-three".