2134768747 has 4 divisors (see below), whose sum is σ = 2136408400. Its totient is φ = 2133129096.

The previous prime is 2134768733. The next prime is 2134768859. The reversal of 2134768747 is 7478674312.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2134768747 - 2²⁷ = 2000551019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2134768747.

It is not an unprimeable number, because it can be changed into a prime (2134738747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817872 + ... + 820477.

It is an arithmetic number, because the mean of its divisors is an integer number (534102100).

Almost surely, 2^2134768747 is an apocalyptic number.

2134768747 is a deficient number, since it is larger than the sum of its proper divisors (1639653).

2134768747 is a wasteful number, since it uses less digits than its factorization.

2134768747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639652.

The product of its digits is 1580544, while the sum is 49.

The square root of 2134768747 is about 46203.5577309800. The cubic root of 2134768747 is about 1287.6078390460.

The spelling of 2134768747 in words is "two billion, one hundred thirty-four million, seven hundred sixty-eight thousand, seven hundred forty-seven".