7143214642 has 4 divisors (see below), whose sum is σ = 10714821966. Its totient is φ = 3571607320.

The previous prime is 7143214621. The next prime is 7143214643. The reversal of 7143214642 is 2464123417.

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

It can be written as a sum of positive squares in only one way, i.e., 6635568681 + 507645961 = 81459^2 + 22531^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7143214598 and 7143214607.

It is not an unprimeable number, because it can be changed into a prime (7143214643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1785803659 + ... + 1785803662.

Almost surely, 2^7143214642 is an apocalyptic number.

7143214642 is a deficient number, since it is larger than the sum of its proper divisors (3571607324).

7143214642 is a wasteful number, since it uses less digits than its factorization.

7143214642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571607323.

The product of its digits is 32256, while the sum is 34.

The square root of 7143214642 is about 84517.5404398401. The cubic root of 7143214642 is about 1925.8889146518. Note that the first 3 decimals are identical.

The spelling of 7143214642 in words is "seven billion, one hundred forty-three million, two hundred fourteen thousand, six hundred forty-two".