4449670143 has 16 divisors (see below), whose sum is σ = 6129826560. Its totient is φ = 2869320384.

The previous prime is 4449670139. The next prime is 4449670163. The reversal of 4449670143 is 3410769444.

It is not a de Polignac number, because 4449670143 - 2² = 4449670139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4449670095 and 4449670104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4449670133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154158 + ... + 180731.

It is an arithmetic number, because the mean of its divisors is an integer number (383114160).

Almost surely, 2^4449670143 is an apocalyptic number.

4449670143 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4449670143 is a deficient number, since it is larger than the sum of its proper divisors (1680156417).

4449670143 is a wasteful number, since it uses less digits than its factorization.

4449670143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335038.

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 4449670143 is about 66705.8478920702. The cubic root of 4449670143 is about 1644.7855145438.

The spelling of 4449670143 in words is "four billion, four hundred forty-nine million, six hundred seventy thousand, one hundred forty-three".