2665393734 has 16 divisors (see below), whose sum is σ = 5335686720. Its totient is φ = 887648040.

The previous prime is 2665393721. The next prime is 2665393813. The reversal of 2665393734 is 4373935662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197044 + ... + 210135.

It is an arithmetic number, because the mean of its divisors is an integer number (333480420).

Almost surely, 2^2665393734 is an apocalyptic number.

2665393734 is an abundant number, since it is smaller than the sum of its proper divisors (2670292986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2665393734 is a wasteful number, since it uses less digits than its factorization.

2665393734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408275.

The product of its digits is 2449440, while the sum is 48.

The square root of 2665393734 is about 51627.4513606860. The cubic root of 2665393734 is about 1386.5018630288.

The spelling of 2665393734 in words is "two billion, six hundred sixty-five million, three hundred ninety-three thousand, seven hundred thirty-four".