2069809342 has 4 divisors (see below), whose sum is σ = 3104714016. Its totient is φ = 1034904670.

The previous prime is 2069809337. The next prime is 2069809349. The reversal of 2069809342 is 2439089602.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2069809342² = 8568221424460945928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2069809349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517452334 + ... + 517452337.

It is an arithmetic number, because the mean of its divisors is an integer number (776178504).

Almost surely, 2^2069809342 is an apocalyptic number.

2069809342 is a deficient number, since it is larger than the sum of its proper divisors (1034904674).

2069809342 is a wasteful number, since it uses less digits than its factorization.

2069809342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034904673.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 2069809342 is about 45495.1573466891. The cubic root of 2069809342 is about 1274.4127690763.

The spelling of 2069809342 in words is "two billion, sixty-nine million, eight hundred nine thousand, three hundred forty-two".