6121776431636 has 12 divisors (see below), whose sum is σ = 10713128025600. Its totient is φ = 3060882710040.

The previous prime is 6121776431513. The next prime is 6121776431671. The reversal of 6121776431636 is 6361346771216.

It is a super-2 number, since 2×6121776431636² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2102015 + ... + 4081913.

It is an arithmetic number, because the mean of its divisors is an integer number (892760668800).

Almost surely, 2^{6121776431636} is an apocalyptic number.

It is an amenable number.

6121776431636 is a deficient number, since it is larger than the sum of its proper divisors (4591351593964).

6121776431636 is a wasteful number, since it uses less digits than its factorization.

6121776431636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752894 (or 2752892 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 53.

The spelling of 6121776431636 in words is "six trillion, one hundred twenty-one billion, seven hundred seventy-six million, four hundred thirty-one thousand, six hundred thirty-six".