4094542765 has 4 divisors (see below), whose sum is σ = 4913451324. Its totient is φ = 3275634208.

The previous prime is 4094542759. The next prime is 4094542783. The reversal of 4094542765 is 5672454904.

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

It can be written as a sum of positive squares in 2 ways, for example, as 664917796 + 3429624969 = 25786^2 + 58563^2 .

It is a cyclic number.

It is not a de Polignac number, because 4094542765 - 2⁵ = 4094542733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409454272 + ... + 409454281.

It is an arithmetic number, because the mean of its divisors is an integer number (1228362831).

Almost surely, 2^4094542765 is an apocalyptic number.

It is an amenable number.

4094542765 is a deficient number, since it is larger than the sum of its proper divisors (818908559).

4094542765 is an equidigital number, since it uses as much as digits as its factorization.

4094542765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818908558.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The square root of 4094542765 is about 63988.6143388025. The cubic root of 4094542765 is about 1599.8102333532.

The spelling of 4094542765 in words is "four billion, ninety-four million, five hundred forty-two thousand, seven hundred sixty-five".