19392672029 has 2 divisors, whose sum is σ = 19392672030. Its totient is φ = 19392672028.

The previous prime is 19392672011. The next prime is 19392672037. The reversal of 19392672029 is 92027629391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13648547929 + 5744124100 = 116827^2 + 75790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19392672029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19392672049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9696336014 + 9696336015.

It is an arithmetic number, because the mean of its divisors is an integer number (9696336015).

Almost surely, 2^19392672029 is an apocalyptic number.

It is an amenable number.

19392672029 is a deficient number, since it is larger than the sum of its proper divisors (1).

19392672029 is an equidigital number, since it uses as much as digits as its factorization.

19392672029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 50.

The spelling of 19392672029 in words is "nineteen billion, three hundred ninety-two million, six hundred seventy-two thousand, twenty-nine".