19090825253939 has 2 divisors, whose sum is σ = 19090825253940. Its totient is φ = 19090825253938.

The previous prime is 19090825253933. The next prime is 19090825253999. The reversal of 19090825253939 is 93935252809091.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19090825253939 is a prime.

It is not a weakly prime, because it can be changed into another prime (19090825253933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9545412626969 + 9545412626970.

It is an arithmetic number, because the mean of its divisors is an integer number (9545412626970).

Almost surely, 2^{19090825253939} is an apocalyptic number.

19090825253939 is a deficient number, since it is larger than the sum of its proper divisors (1).

19090825253939 is an equidigital number, since it uses as much as digits as its factorization.

19090825253939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47239200, while the sum is 65.

The spelling of 19090825253939 in words is "nineteen trillion, ninety billion, eight hundred twenty-five million, two hundred fifty-three thousand, nine hundred thirty-nine".