19392672011 has 2 divisors, whose sum is σ = 19392672012. Its totient is φ = 19392672010.

The previous prime is 19392671981. The next prime is 19392672029. The reversal of 19392672011 is 11027629391.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19392672011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19392672011.

It is not a weakly prime, because it can be changed into another prime (19392674011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9696336005 + 9696336006.

It is an arithmetic number, because the mean of its divisors is an integer number (9696336006).

Almost surely, 2^19392672011 is an apocalyptic number.

19392672011 is a deficient number, since it is larger than the sum of its proper divisors (1).

19392672011 is an equidigital number, since it uses as much as digits as its factorization.

19392672011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 41.

The spelling of 19392672011 in words is "nineteen billion, three hundred ninety-two million, six hundred seventy-two thousand, eleven".