2086043942 has 16 divisors (see below), whose sum is σ = 3220236432. Its totient is φ = 1012747680.

The previous prime is 2086043941. The next prime is 2086043957. The reversal of 2086043942 is 2493406802.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2086043896 and 2086043905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086043941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7628 + ... + 65040.

It is an arithmetic number, because the mean of its divisors is an integer number (201264777).

Almost surely, 2^2086043942 is an apocalyptic number.

2086043942 is a deficient number, since it is larger than the sum of its proper divisors (1134192490).

2086043942 is a wasteful number, since it uses less digits than its factorization.

2086043942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57943.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 2086043942 is about 45673.2300368608. The cubic root of 2086043942 is about 1277.7360579302.

The spelling of 2086043942 in words is "two billion, eighty-six million, forty-three thousand, nine hundred forty-two".