19380050355 has 32 divisors (see below), whose sum is σ = 33145459200. Its totient is φ = 9645489920.

The previous prime is 19380050353. The next prime is 19380050357. The reversal of 19380050355 is 55305008391.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (19380050353) and next prime (19380050357).

It is not a de Polignac number, because 19380050355 - 2¹ = 19380050353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19380050351) 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, 670905 + ... + 699194.

It is an arithmetic number, because the mean of its divisors is an integer number (1035795600).

Almost surely, 2^19380050355 is an apocalyptic number.

19380050355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19380050355 is a deficient number, since it is larger than the sum of its proper divisors (13765408845).

19380050355 is a wasteful number, since it uses less digits than its factorization.

19380050355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370171.

The product of its (nonzero) digits is 81000, while the sum is 39.

The spelling of 19380050355 in words is "nineteen billion, three hundred eighty million, fifty thousand, three hundred fifty-five".