6223635198401 has 4 divisors (see below), whose sum is σ = 6223640243652. Its totient is φ = 6223630153152.

The previous prime is 6223635198383. The next prime is 6223635198421. The reversal of 6223635198401 is 1048915363226.

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 can be written as a sum of positive squares in 2 ways, for example, as 4039296040000 + 2184339158401 = 2009800^2 + 1477951^2 .

It is a cyclic number.

It is not a de Polignac number, because 6223635198401 - 2⁶ = 6223635198337 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 6223635198401.

It is not an unprimeable number, because it can be changed into a prime (6223635198421) 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, 700061 + ... + 3596853.

It is an arithmetic number, because the mean of its divisors is an integer number (1555910060913).

Almost surely, 2^{6223635198401} is an apocalyptic number.

It is an amenable number.

6223635198401 is a deficient number, since it is larger than the sum of its proper divisors (5045251).

6223635198401 is a wasteful number, since it uses less digits than its factorization.

6223635198401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045250.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 6223635198401 in words is "six trillion, two hundred twenty-three billion, six hundred thirty-five million, one hundred ninety-eight thousand, four hundred one".