19375000439 has 2 divisors, whose sum is σ = 19375000440. Its totient is φ = 19375000438.

The previous prime is 19375000433. The next prime is 19375000441. The reversal of 19375000439 is 93400057391.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19375000439 - 2¹⁶ = 19374934903 is a prime.

It is a super-2 number, since 2×19375000439² (a number of 21 digits) contains 22 as substring.

Together with 19375000441, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 19375000396 and 19375000405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19375000433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9687500219 + 9687500220.

It is an arithmetic number, because the mean of its divisors is an integer number (9687500220).

Almost surely, 2^19375000439 is an apocalyptic number.

19375000439 is a deficient number, since it is larger than the sum of its proper divisors (1).

19375000439 is an equidigital number, since it uses as much as digits as its factorization.

19375000439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 41.

The spelling of 19375000439 in words is "nineteen billion, three hundred seventy-five million, four hundred thirty-nine", and thus it is an aban number.