6121771734774 has 16 divisors (see below), whose sum is σ = 12504044395008. Its totient is φ = 1997173757352.

The previous prime is 6121771734761. The next prime is 6121771734779. The reversal of 6121771734774 is 4774371771216.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6121771734779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10854204922 + ... + 10854205485.

It is an arithmetic number, because the mean of its divisors is an integer number (781502774688).

Almost surely, 2^{6121771734774} is an apocalyptic number.

6121771734774 is an abundant number, since it is smaller than the sum of its proper divisors (6382272660234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6121771734774 is a wasteful number, since it uses less digits than its factorization.

6121771734774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21708410459.

The product of its digits is 9680832, while the sum is 57.

The spelling of 6121771734774 in words is "six trillion, one hundred twenty-one billion, seven hundred seventy-one million, seven hundred thirty-four thousand, seven hundred seventy-four".