4972659861 has 16 divisors (see below), whose sum is σ = 7177236416. Its totient is φ = 3044238336.

The previous prime is 4972659833. The next prime is 4972659877. The reversal of 4972659861 is 1689562794.

It is not a de Polignac number, because 4972659861 - 2¹⁰ = 4972658837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4972659761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322795 + ... + 337848.

It is an arithmetic number, because the mean of its divisors is an integer number (448577276).

Almost surely, 2^4972659861 is an apocalyptic number.

It is an amenable number.

4972659861 is a deficient number, since it is larger than the sum of its proper divisors (2204576555).

4972659861 is a wasteful number, since it uses less digits than its factorization.

4972659861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660852.

The product of its digits is 6531840, while the sum is 57.

The square root of 4972659861 is about 70517.0891415691. The cubic root of 4972659861 is about 1706.8535165595.

The spelling of 4972659861 in words is "four billion, nine hundred seventy-two million, six hundred fifty-nine thousand, eight hundred sixty-one".