19962233149 has 2 divisors, whose sum is σ = 19962233150. Its totient is φ = 19962233148.

The previous prime is 19962233113. The next prime is 19962233171. The reversal of 19962233149 is 94133226991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19670062500 + 292170649 = 140250^2 + 17093^2 .

It is a cyclic number.

It is not a de Polignac number, because 19962233149 - 2¹¹ = 19962231101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19962230149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9981116574 + 9981116575.

It is an arithmetic number, because the mean of its divisors is an integer number (9981116575).

Almost surely, 2^19962233149 is an apocalyptic number.

It is an amenable number.

19962233149 is a deficient number, since it is larger than the sum of its proper divisors (1).

19962233149 is an equidigital number, since it uses as much as digits as its factorization.

19962233149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 629856, while the sum is 49.

The spelling of 19962233149 in words is "nineteen billion, nine hundred sixty-two million, two hundred thirty-three thousand, one hundred forty-nine".