1942191273 has 16 divisors (see below), whose sum is σ = 2826028800. Its totient is φ = 1176659280.

The previous prime is 1942191263. The next prime is 1942191289. The reversal of 1942191273 is 3721912491.

It is not a de Polignac number, because 1942191273 - 2¹³ = 1942183081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1942191203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98518 + ... + 116576.

It is an arithmetic number, because the mean of its divisors is an integer number (176626800).

Almost surely, 2^1942191273 is an apocalyptic number.

It is an amenable number.

1942191273 is a deficient number, since it is larger than the sum of its proper divisors (883837527).

1942191273 is a wasteful number, since it uses less digits than its factorization.

1942191273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21332.

The product of its digits is 27216, while the sum is 39.

The square root of 1942191273 is about 44070.2992161388. The cubic root of 1942191273 is about 1247.6631054349.

The spelling of 1942191273 in words is "one billion, nine hundred forty-two million, one hundred ninety-one thousand, two hundred seventy-three".