4189394077 has 4 divisors (see below), whose sum is σ = 4570248096. Its totient is φ = 3808540060.

The previous prime is 4189394057. The next prime is 4189394081. The reversal of 4189394077 is 7704939814.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4189394077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4189394057) 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, 190426993 + ... + 190427014.

It is an arithmetic number, because the mean of its divisors is an integer number (1142562024).

Almost surely, 2^4189394077 is an apocalyptic number.

It is an amenable number.

4189394077 is a deficient number, since it is larger than the sum of its proper divisors (380854019).

4189394077 is a wasteful number, since it uses less digits than its factorization.

4189394077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380854018.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 4189394077 is about 64725.5287888790. The cubic root of 4189394077 is about 1612.0694139614.

The spelling of 4189394077 in words is "four billion, one hundred eighty-nine million, three hundred ninety-four thousand, seventy-seven".