2765843642 has 16 divisors (see below), whose sum is σ = 4407942240. Its totient is φ = 1297890288.

The previous prime is 2765843629. The next prime is 2765843659. The reversal of 2765843642 is 2463485672.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336053 + ... + 344184.

It is an arithmetic number, because the mean of its divisors is an integer number (275496390).

Almost surely, 2^2765843642 is an apocalyptic number.

2765843642 is a deficient number, since it is larger than the sum of its proper divisors (1642098598).

2765843642 is a wasteful number, since it uses less digits than its factorization.

2765843642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680365.

The product of its digits is 1935360, while the sum is 47.

The square root of 2765843642 is about 52591.2886512586. The cubic root of 2765843642 is about 1403.7050909527.

The spelling of 2765843642 in words is "two billion, seven hundred sixty-five million, eight hundred forty-three thousand, six hundred forty-two".