19038771425 has 12 divisors (see below), whose sum is σ = 23610976896. Its totient is φ = 15229146000.

The previous prime is 19038771397. The next prime is 19038771449. The reversal of 19038771425 is 52417783091.

It is not a de Polignac number, because 19038771425 - 2³⁰ = 17965029601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19038771425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182900 + ... + 267450.

It is an arithmetic number, because the mean of its divisors is an integer number (1967581408).

Almost surely, 2^19038771425 is an apocalyptic number.

It is an amenable number.

19038771425 is a deficient number, since it is larger than the sum of its proper divisors (4572205471).

19038771425 is an equidigital number, since it uses as much as digits as its factorization.

19038771425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93568 (or 93563 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 19038771425 in words is "nineteen billion, thirty-eight million, seven hundred seventy-one thousand, four hundred twenty-five".