7143214661 has 8 divisors (see below), whose sum is σ = 7849479744. Its totient is φ = 6446429920.

The previous prime is 7143214643. The next prime is 7143214667. The reversal of 7143214661 is 1664123417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7143214661 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 (7143214667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2368505 + ... + 2371518.

It is an arithmetic number, because the mean of its divisors is an integer number (981184968).

Almost surely, 2^7143214661 is an apocalyptic number.

It is an amenable number.

7143214661 is a deficient number, since it is larger than the sum of its proper divisors (706265083).

7143214661 is a wasteful number, since it uses less digits than its factorization.

7143214661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4740171.

The product of its digits is 24192, while the sum is 35.

The square root of 7143214661 is about 84517.5405522428. The cubic root of 7143214661 is about 1925.8889163594. Note that the first 3 decimals are identical.

The spelling of 7143214661 in words is "seven billion, one hundred forty-three million, two hundred fourteen thousand, six hundred sixty-one".