6421116140603 has 4 divisors (see below), whose sum is σ = 6421123457280. Its totient is φ = 6421108823928.

The previous prime is 6421116140587. The next prime is 6421116140657. The reversal of 6421116140603 is 3060416111246.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6421116140603 - 2⁴ = 6421116140587 is a prime.

It is a super-2 number, since 2×6421116140603² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6421116140693) 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, 2128763 + ... + 4168196.

It is an arithmetic number, because the mean of its divisors is an integer number (1605280864320).

Almost surely, 2^{6421116140603} is an apocalyptic number.

6421116140603 is a deficient number, since it is larger than the sum of its proper divisors (7316677).

6421116140603 is a wasteful number, since it uses less digits than its factorization.

6421116140603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7316676.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 6421116140603 in words is "six trillion, four hundred twenty-one billion, one hundred sixteen million, one hundred forty thousand, six hundred three".