2085902342 has 4 divisors (see below), whose sum is σ = 3128853516. Its totient is φ = 1042951170.

The previous prime is 2085902303. The next prime is 2085902353. The reversal of 2085902342 is 2432095802.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2432095802 = 2 ⋅1216047901.

It is a super-2 number, since 2×2085902342² = 8701977160722169928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521475584 + ... + 521475587.

It is an arithmetic number, because the mean of its divisors is an integer number (782213379).

Almost surely, 2^2085902342 is an apocalyptic number.

2085902342 is a deficient number, since it is larger than the sum of its proper divisors (1042951174).

2085902342 is a wasteful number, since it uses less digits than its factorization.

2085902342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042951173.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 2085902342 is about 45671.6798683823. The cubic root of 2085902342 is about 1277.7071465034.

The spelling of 2085902342 in words is "two billion, eighty-five million, nine hundred two thousand, three hundred forty-two".