4202143247 has 4 divisors (see below), whose sum is σ = 4202447760. Its totient is φ = 4201838736.

The previous prime is 4202143237. The next prime is 4202143271. The reversal of 4202143247 is 7423412024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4202143247 - 2⁸ = 4202142991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4202143207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130523 + ... + 159500.

It is an arithmetic number, because the mean of its divisors is an integer number (1050611940).

Almost surely, 2^4202143247 is an apocalyptic number.

4202143247 is a deficient number, since it is larger than the sum of its proper divisors (304513).

4202143247 is a wasteful number, since it uses less digits than its factorization.

4202143247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304512.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 4202143247 is about 64823.9403847066. The cubic root of 4202143247 is about 1613.7030419034.

The spelling of 4202143247 in words is "four billion, two hundred two million, one hundred forty-three thousand, two hundred forty-seven".