19099429061 has 2 divisors, whose sum is σ = 19099429062. Its totient is φ = 19099429060.

The previous prime is 19099429039. The next prime is 19099429073. The reversal of 19099429061 is 16092499091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11576468836 + 7522960225 = 107594^2 + 86735^2 .

It is an emirp because it is prime and its reverse (16092499091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19099429061 - 2²² = 19095234757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19099429081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9549714530 + 9549714531.

It is an arithmetic number, because the mean of its divisors is an integer number (9549714531).

Almost surely, 2^19099429061 is an apocalyptic number.

It is an amenable number.

19099429061 is a deficient number, since it is larger than the sum of its proper divisors (1).

19099429061 is an equidigital number, since it uses as much as digits as its factorization.

19099429061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 50.

The spelling of 19099429061 in words is "nineteen billion, ninety-nine million, four hundred twenty-nine thousand, sixty-one".