4654143247 has 4 divisors (see below), whose sum is σ = 5012154280. Its totient is φ = 4296132216.

The previous prime is 4654143217. The next prime is 4654143269. The reversal of 4654143247 is 7423414564.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4654143247 is a prime.

It is a super-2 number, since 2×4654143247² = 43322098727191406018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4654143217) 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, 179005497 + ... + 179005522.

It is an arithmetic number, because the mean of its divisors is an integer number (1253038570).

Almost surely, 2^4654143247 is an apocalyptic number.

4654143247 is a deficient number, since it is larger than the sum of its proper divisors (358011033).

4654143247 is a wasteful number, since it uses less digits than its factorization.

4654143247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358011032.

The product of its digits is 322560, while the sum is 40.

The square root of 4654143247 is about 68221.2814816608. The cubic root of 4654143247 is about 1669.6031240435.

The spelling of 4654143247 in words is "four billion, six hundred fifty-four million, one hundred forty-three thousand, two hundred forty-seven".