19344844346 has 16 divisors (see below), whose sum is σ = 29099596680. Its totient is φ = 9645007680.

The previous prime is 19344844271. The next prime is 19344844399. The reversal of 19344844346 is 64344844391.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7506316321 + 11838528025 = 86639^2 + 108805^2 .

It is a junction number, because it is equal to n+sod(n) for n = 19344844294 and 19344844303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1569560 + ... + 1581836.

Almost surely, 2^19344844346 is an apocalyptic number.

19344844346 is a deficient number, since it is larger than the sum of its proper divisors (9754752334).

19344844346 is a wasteful number, since it uses less digits than its factorization.

19344844346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14449.

The product of its digits is 3981312, while the sum is 50.

The spelling of 19344844346 in words is "nineteen billion, three hundred forty-four million, eight hundred forty-four thousand, three hundred forty-six".