4249852143 has 16 divisors (see below), whose sum is σ = 5801968896. Its totient is φ = 2766234240.

The previous prime is 4249852141. The next prime is 4249852157. The reversal of 4249852143 is 3412589424.

It is a happy number.

It is not a de Polignac number, because 4249852143 - 2¹ = 4249852141 is a prime.

It is a super-2 number, since 2×4249852143² = 36122486474723384898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4249852095 and 4249852104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4249852141) 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, 70843 + ... + 116268.

It is an arithmetic number, because the mean of its divisors is an integer number (362623056).

Almost surely, 2^4249852143 is an apocalyptic number.

4249852143 is a deficient number, since it is larger than the sum of its proper divisors (1552116753).

4249852143 is a wasteful number, since it uses less digits than its factorization.

4249852143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187294.

The product of its digits is 276480, while the sum is 42.

The square root of 4249852143 is about 65190.8900307397. The cubic root of 4249852143 is about 1619.7871161353.

The spelling of 4249852143 in words is "four billion, two hundred forty-nine million, eight hundred fifty-two thousand, one hundred forty-three".