6323893066921 has 4 divisors (see below), whose sum is σ = 6323919138244. Its totient is φ = 6323866995600.

The previous prime is 6323893066919. The next prime is 6323893066963. The reversal of 6323893066921 is 1296603983236.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3561765405696 + 2762127661225 = 1887264^2 + 1661965^2 .

It is a cyclic number.

It is not a de Polignac number, because 6323893066921 - 2¹ = 6323893066919 is a prime.

It is a super-3 number, since 3×6323893066921³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6323893036921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12668370 + ... + 13158091.

It is an arithmetic number, because the mean of its divisors is an integer number (1580979784561).

Almost surely, 2^{6323893066921} is an apocalyptic number.

It is an amenable number.

6323893066921 is a deficient number, since it is larger than the sum of its proper divisors (26071323).

6323893066921 is a wasteful number, since it uses less digits than its factorization.

6323893066921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26071322.

The product of its (nonzero) digits is 15116544, while the sum is 58.

The spelling of 6323893066921 in words is "six trillion, three hundred twenty-three billion, eight hundred ninety-three million, sixty-six thousand, nine hundred twenty-one".