19462119267949 has 2 divisors, whose sum is σ = 19462119267950. Its totient is φ = 19462119267948.

The previous prime is 19462119267883. The next prime is 19462119267967. The reversal of 19462119267949 is 94976291126491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19425835875625 + 36283392324 = 4407475^2 + 190482^2 .

It is a cyclic number.

It is not a de Polignac number, because 19462119267949 - 2²⁵ = 19462085713517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19462119267049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9731059633974 + 9731059633975.

It is an arithmetic number, because the mean of its divisors is an integer number (9731059633975).

Almost surely, 2^{19462119267949} is an apocalyptic number.

It is an amenable number.

19462119267949 is a deficient number, since it is larger than the sum of its proper divisors (1).

19462119267949 is an equidigital number, since it uses as much as digits as its factorization.

19462119267949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105815808, while the sum is 70.

The spelling of 19462119267949 in words is "nineteen trillion, four hundred sixty-two billion, one hundred nineteen million, two hundred sixty-seven thousand, nine hundred forty-nine".