2192678734 has 16 divisors (see below), whose sum is σ = 3633903648. Its totient is φ = 986985472.

The previous prime is 2192678731. The next prime is 2192678737. The reversal of 2192678734 is 4378762912.

It is a happy number.

2192678734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2192678731) and next prime (2192678737).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2192678731) 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, 1401187 + ... + 1402750.

It is an arithmetic number, because the mean of its divisors is an integer number (227118978).

Almost surely, 2^2192678734 is an apocalyptic number.

2192678734 is a deficient number, since it is larger than the sum of its proper divisors (1441224914).

2192678734 is a wasteful number, since it uses less digits than its factorization.

2192678734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803979.

The product of its digits is 1016064, while the sum is 49.

The square root of 2192678734 is about 46826.0476017355. The cubic root of 2192678734 is about 1299.1471198704.

The spelling of 2192678734 in words is "two billion, one hundred ninety-two million, six hundred seventy-eight thousand, seven hundred thirty-four".