1942596889 has 4 divisors (see below), whose sum is σ = 1975522320. Its totient is φ = 1909671460.

The previous prime is 1942596881. The next prime is 1942596907. The reversal of 1942596889 is 9886952491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9886952491 = 13 ⋅760534807.

It is a cyclic number.

It is not a de Polignac number, because 1942596889 - 2³ = 1942596881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1942596881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16462627 + ... + 16462744.

It is an arithmetic number, because the mean of its divisors is an integer number (493880580).

Almost surely, 2^1942596889 is an apocalyptic number.

It is an amenable number.

1942596889 is a deficient number, since it is larger than the sum of its proper divisors (32925431).

1942596889 is an equidigital number, since it uses as much as digits as its factorization.

1942596889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32925430.

The product of its digits is 11197440, while the sum is 61.

The square root of 1942596889 is about 44074.9008960882. The cubic root of 1942596889 is about 1247.7499552557.

The spelling of 1942596889 in words is "one billion, nine hundred forty-two million, five hundred ninety-six thousand, eight hundred eighty-nine".