19216962901 has 2 divisors, whose sum is σ = 19216962902. Its totient is φ = 19216962900.

The previous prime is 19216962889. The next prime is 19216962913. The reversal of 19216962901 is 10926961291.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (19216962889) and next prime (19216962913).

It can be written as a sum of positive squares in only one way, i.e., 19147640625 + 69322276 = 138375^2 + 8326^2 .

It is a cyclic number.

It is not a de Polignac number, because 19216962901 - 2¹³ = 19216954709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19216962931) 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, 9608481450 + 9608481451.

It is an arithmetic number, because the mean of its divisors is an integer number (9608481451).

Almost surely, 2^19216962901 is an apocalyptic number.

It is an amenable number.

19216962901 is a deficient number, since it is larger than the sum of its proper divisors (1).

19216962901 is an equidigital number, since it uses as much as digits as its factorization.

19216962901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 46.

The spelling of 19216962901 in words is "nineteen billion, two hundred sixteen million, nine hundred sixty-two thousand, nine hundred one".