19314845693 has 32 divisors (see below), whose sum is σ = 23085482112. Its totient is φ = 15928070400.

The previous prime is 19314845659. The next prime is 19314845729. The reversal of 19314845693 is 39654841391.

It is not a de Polignac number, because 19314845693 - 2¹⁶ = 19314780157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19314845633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4414655 + ... + 4419027.

It is an arithmetic number, because the mean of its divisors is an integer number (721421316).

Almost surely, 2^19314845693 is an apocalyptic number.

19314845693 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

19314845693 is a deficient number, since it is larger than the sum of its proper divisors (3770636419).

19314845693 is a wasteful number, since it uses less digits than its factorization.

19314845693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4925.

The product of its digits is 2799360, while the sum is 53.

The spelling of 19314845693 in words is "nineteen billion, three hundred fourteen million, eight hundred forty-five thousand, six hundred ninety-three".