4191094457 has 4 divisors (see below), whose sum is σ = 4572103056. Its totient is φ = 3810085860.

The previous prime is 4191094393. The next prime is 4191094511. The reversal of 4191094457 is 7544901914.

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 not a de Polignac number, because 4191094457 - 2⁶ = 4191094393 is a prime.

It is a super-2 number, since 2×4191094457² = 35130545494992249698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4191094357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190504283 + ... + 190504304.

It is an arithmetic number, because the mean of its divisors is an integer number (1143025764).

Almost surely, 2^4191094457 is an apocalyptic number.

It is an amenable number.

4191094457 is a deficient number, since it is larger than the sum of its proper divisors (381008599).

4191094457 is a wasteful number, since it uses less digits than its factorization.

4191094457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381008598.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 4191094457 is about 64738.6627680863. The cubic root of 4191094457 is about 1612.2874852599.

The spelling of 4191094457 in words is "four billion, one hundred ninety-one million, ninety-four thousand, four hundred fifty-seven".