19424525411 has 2 divisors, whose sum is σ = 19424525412. Its totient is φ = 19424525410.

The previous prime is 19424525381. The next prime is 19424525429. The reversal of 19424525411 is 11452542491.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19424525411 is a prime.

It is not a weakly prime, because it can be changed into another prime (19424525711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9712262705 + 9712262706.

It is an arithmetic number, because the mean of its divisors is an integer number (9712262706).

Almost surely, 2^19424525411 is an apocalyptic number.

19424525411 is a deficient number, since it is larger than the sum of its proper divisors (1).

19424525411 is an equidigital number, since it uses as much as digits as its factorization.

19424525411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 38.

The spelling of 19424525411 in words is "nineteen billion, four hundred twenty-four million, five hundred twenty-five thousand, four hundred eleven".