19344425026 has 16 divisors (see below), whose sum is σ = 30064608504. Its totient is φ = 9327515904.

The previous prime is 19344425021. The next prime is 19344425029. The reversal of 19344425026 is 62052444391.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13888386801 + 5456038225 = 117849^2 + 73865^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 19344425026.

It is not an unprimeable number, because it can be changed into a prime (19344425021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1148325 + ... + 1165048.

Almost surely, 2^19344425026 is an apocalyptic number.

19344425026 is a deficient number, since it is larger than the sum of its proper divisors (10720183478).

19344425026 is a wasteful number, since it uses less digits than its factorization.

19344425026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313525.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 19344425026 in words is "nineteen billion, three hundred forty-four million, four hundred twenty-five thousand, twenty-six".