4091194747 has 4 divisors (see below), whose sum is σ = 4201767616. Its totient is φ = 3980621880.

The previous prime is 4091194693. The next prime is 4091194763. The reversal of 4091194747 is 7474911904.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4091194747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4091194697 and 4091194706.

It is not an unprimeable number, because it can be changed into a prime (4091194777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55286379 + ... + 55286452.

It is an arithmetic number, because the mean of its divisors is an integer number (1050441904).

Almost surely, 2^4091194747 is an apocalyptic number.

4091194747 is a deficient number, since it is larger than the sum of its proper divisors (110572869).

4091194747 is a wasteful number, since it uses less digits than its factorization.

4091194747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110572868.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 4091194747 is about 63962.4479440867. The cubic root of 4091194747 is about 1599.3740711808.

The spelling of 4091194747 in words is "four billion, ninety-one million, one hundred ninety-four thousand, seven hundred forty-seven".