19020625993 has 2 divisors, whose sum is σ = 19020625994. Its totient is φ = 19020625992.

The previous prime is 19020625979. The next prime is 19020625999. The reversal of 19020625993 is 39952602091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13485712384 + 5534913609 = 116128^2 + 74397^2 .

It is a cyclic number.

It is not a de Polignac number, because 19020625993 - 2¹³ = 19020617801 is a prime.

It is not a weakly prime, because it can be changed into another prime (19020625999) 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, 9510312996 + 9510312997.

It is an arithmetic number, because the mean of its divisors is an integer number (9510312997).

Almost surely, 2^19020625993 is an apocalyptic number.

It is an amenable number.

19020625993 is a deficient number, since it is larger than the sum of its proper divisors (1).

19020625993 is an equidigital number, since it uses as much as digits as its factorization.

19020625993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 46.

The spelling of 19020625993 in words is "nineteen billion, twenty million, six hundred twenty-five thousand, nine hundred ninety-three".