4971989569 has 8 divisors (see below), whose sum is σ = 5000067072. Its totient is φ = 4943933760.

The previous prime is 4971989567. The next prime is 4971989621. The reversal of 4971989569 is 9659891794.

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

It is a cyclic number.

It is not a de Polignac number, because 4971989569 - 2¹ = 4971989567 is a prime.

It is a super-4 number, since 4×4971989569⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4971989567) 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, 721032 + ... + 727894.

It is an arithmetic number, because the mean of its divisors is an integer number (625008384).

Almost surely, 2^4971989569 is an apocalyptic number.

It is an amenable number.

4971989569 is a deficient number, since it is larger than the sum of its proper divisors (28077503).

4971989569 is a wasteful number, since it uses less digits than its factorization.

4971989569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10847.

The product of its digits is 44089920, while the sum is 67.

The square root of 4971989569 is about 70512.3362894749. The cubic root of 4971989569 is about 1706.7768210753.

The spelling of 4971989569 in words is "four billion, nine hundred seventy-one million, nine hundred eighty-nine thousand, five hundred sixty-nine".