4321139698 has 4 divisors (see below), whose sum is σ = 6481709550. Its totient is φ = 2160569848.

The previous prime is 4321139689. The next prime is 4321139723. The reversal of 4321139698 is 8969311234.

It is a happy number.

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., 4312942929 + 8196769 = 65673^2 + 2863^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080284923 + ... + 1080284926.

Almost surely, 2^4321139698 is an apocalyptic number.

4321139698 is a deficient number, since it is larger than the sum of its proper divisors (2160569852).

4321139698 is a wasteful number, since it uses less digits than its factorization.

4321139698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160569851.

The product of its digits is 279936, while the sum is 46.

The square root of 4321139698 is about 65735.3763053046. The cubic root of 4321139698 is about 1628.7937803420.

The spelling of 4321139698 in words is "four billion, three hundred twenty-one million, one hundred thirty-nine thousand, six hundred ninety-eight".