4691143 has 2 divisors, whose sum is σ = 4691144. Its totient is φ = 4691142.

The previous prime is 4691123. The next prime is 4691153. The reversal of 4691143 is 3411964.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4691143 - 2¹⁷ = 4560071 is a prime.

4691143 is a lucky number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4691123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2345571 + 2345572.

It is an arithmetic number, because the mean of its divisors is an integer number (2345572).

Almost surely, 2^4691143 is an apocalyptic number.

4691143 is a deficient number, since it is larger than the sum of its proper divisors (1).

4691143 is an equidigital number, since it uses as much as digits as its factorization.

4691143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 28.

The square root of 4691143 is about 2165.9046608750. The cubic root of 4691143 is about 167.4015817469.

The spelling of 4691143 in words is "four million, six hundred ninety-one thousand, one hundred forty-three".