4221979759 has 8 divisors (see below), whose sum is σ = 4460010480. Its totient is φ = 3985531200.

The previous prime is 4221979709. The next prime is 4221979771. The reversal of 4221979759 is 9579791224.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-4221979759 is a prime.

It is a super-2 number, since 2×4221979759² = 35650226170811396162, 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 (4221979709) 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, 390052 + ... + 400729.

It is an arithmetic number, because the mean of its divisors is an integer number (557501310).

Almost surely, 2^4221979759 is an apocalyptic number.

4221979759 is a deficient number, since it is larger than the sum of its proper divisors (238030721).

4221979759 is a wasteful number, since it uses less digits than its factorization.

4221979759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791081.

The product of its digits is 2857680, while the sum is 55.

The square root of 4221979759 is about 64976.7632234786. The cubic root of 4221979759 is about 1616.2382563322.

The spelling of 4221979759 in words is "four billion, two hundred twenty-one million, nine hundred seventy-nine thousand, seven hundred fifty-nine".