6215577722623 has 4 divisors (see below), whose sum is σ = 6215593653360. Its totient is φ = 6215561791888.

The previous prime is 6215577722597. The next prime is 6215577722681. The reversal of 6215577722623 is 3262277755126.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6215577722623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6215577722693) 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, 7365043 + ... + 8165476.

It is an arithmetic number, because the mean of its divisors is an integer number (1553898413340).

Almost surely, 2^{6215577722623} is an apocalyptic number.

6215577722623 is a deficient number, since it is larger than the sum of its proper divisors (15930737).

6215577722623 is a wasteful number, since it uses less digits than its factorization.

6215577722623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15930736.

The product of its digits is 14817600, while the sum is 55.

The spelling of 6215577722623 in words is "six trillion, two hundred fifteen billion, five hundred seventy-seven million, seven hundred twenty-two thousand, six hundred twenty-three".