8013546021 has 8 divisors (see below), whose sum is σ = 11506630240. Its totient is φ = 4931412912.

The previous prime is 8013546007. The next prime is 8013546029. The reversal of 8013546021 is 1206453108.

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

It is not a de Polignac number, because 8013546021 - 2⁶ = 8013545957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8013546021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8013546029) 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, 102737731 + ... + 102737808.

It is an arithmetic number, because the mean of its divisors is an integer number (1438328780).

Almost surely, 2^8013546021 is an apocalyptic number.

It is an amenable number.

8013546021 is a deficient number, since it is larger than the sum of its proper divisors (3493084219).

8013546021 is a wasteful number, since it uses less digits than its factorization.

8013546021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205475555.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 8013546021 is about 89518.4116313510. The cubic root of 8013546021 is about 2001.1281985477.

Adding to 8013546021 its reverse (1206453108), we get a palindrome (9219999129).

The spelling of 8013546021 in words is "eight billion, thirteen million, five hundred forty-six thousand, twenty-one".