19054964101 has 2 divisors, whose sum is σ = 19054964102. Its totient is φ = 19054964100.

The previous prime is 19054964069. The next prime is 19054964161. The reversal of 19054964101 is 10146945091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18218250625 + 836713476 = 134975^2 + 28926^2 .

It is a cyclic number.

It is not a de Polignac number, because 19054964101 - 2⁵ = 19054964069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19054964161) 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, 9527482050 + 9527482051.

It is an arithmetic number, because the mean of its divisors is an integer number (9527482051).

Almost surely, 2^19054964101 is an apocalyptic number.

It is an amenable number.

19054964101 is a deficient number, since it is larger than the sum of its proper divisors (1).

19054964101 is an equidigital number, since it uses as much as digits as its factorization.

19054964101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 19054964101 in words is "nineteen billion, fifty-four million, nine hundred sixty-four thousand, one hundred one".