21246586632073 has 8 divisors (see below), whose sum is σ = 23202063593280. Its totient is φ = 19295104518480.

The previous prime is 21246586632043. The next prime is 21246586632083. The reversal of 21246586632073 is 37023668564212.

It is a happy number.

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 21246586632073 - 2⁵ = 21246586632041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21246586632043) 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, 998700778 + ... + 998722051.

It is an arithmetic number, because the mean of its divisors is an integer number (2900257949160).

Almost surely, 2^{21246586632073} is an apocalyptic number.

It is an amenable number.

21246586632073 is a deficient number, since it is larger than the sum of its proper divisors (1955476961207).

21246586632073 is a wasteful number, since it uses less digits than its factorization.

21246586632073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997423807.

The product of its (nonzero) digits is 17418240, while the sum is 55.

The spelling of 21246586632073 in words is "twenty-one trillion, two hundred forty-six billion, five hundred eighty-six million, six hundred thirty-two thousand, seventy-three".