19083934405 has 8 divisors (see below), whose sum is σ = 22915070712. Its totient is φ = 15257581248.

The previous prime is 19083934393. The next prime is 19083934411. The reversal of 19083934405 is 50443938091.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 87928129 + 18996006276 = 9377^2 + 137826^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19083934405 - 2²¹ = 19081837253 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1187002 + ... + 1202971.

It is an arithmetic number, because the mean of its divisors is an integer number (2864383839).

Almost surely, 2^19083934405 is an apocalyptic number.

It is an amenable number.

19083934405 is a deficient number, since it is larger than the sum of its proper divisors (3831136307).

19083934405 is a wasteful number, since it uses less digits than its factorization.

19083934405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391575.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 19083934405 in words is "nineteen billion, eighty-three million, nine hundred thirty-four thousand, four hundred five".