4899143 has 2 divisors, whose sum is σ = 4899144. Its totient is φ = 4899142.

The previous prime is 4899121. The next prime is 4899149. The reversal of 4899143 is 3419984.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4899143 - 2⁶ = 4899079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4899097 and 4899106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4899149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2449571 + 2449572.

It is an arithmetic number, because the mean of its divisors is an integer number (2449572).

Almost surely, 2^4899143 is an apocalyptic number.

4899143 is a deficient number, since it is larger than the sum of its proper divisors (1).

4899143 is an equidigital number, since it uses as much as digits as its factorization.

4899143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 4899143 is about 2213.4007770849. The cubic root of 4899143 is about 169.8400225117.

The spelling of 4899143 in words is "four million, eight hundred ninety-nine thousand, one hundred forty-three".