19390200273 has 12 divisors (see below), whose sum is σ = 28009542288. Its totient is φ = 12926119320.

The previous prime is 19390200259. The next prime is 19390200307. The reversal of 19390200273 is 37200209391.

It is not a de Polignac number, because 19390200273 - 2⁴ = 19390200257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19390208273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172278 + ... + 261648.

It is an arithmetic number, because the mean of its divisors is an integer number (2334128524).

Almost surely, 2^19390200273 is an apocalyptic number.

It is an amenable number.

19390200273 is a deficient number, since it is larger than the sum of its proper divisors (8619342015).

19390200273 is a wasteful number, since it uses less digits than its factorization.

19390200273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113484 (or 113481 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The spelling of 19390200273 in words is "nineteen billion, three hundred ninety million, two hundred thousand, two hundred seventy-three".