6773781437434 has 16 divisors (see below), whose sum is σ = 11084652010656. Its totient is φ = 3078913122000.

The previous prime is 6773781437363. The next prime is 6773781437473. The reversal of 6773781437434 is 4347341873776.

It is a super-2 number, since 2×6773781437434² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3034377 + ... + 4770220.

It is an arithmetic number, because the mean of its divisors is an integer number (692790750666).

Almost surely, 2^{6773781437434} is an apocalyptic number.

6773781437434 is a deficient number, since it is larger than the sum of its proper divisors (4310870573222).

6773781437434 is a wasteful number, since it uses less digits than its factorization.

6773781437434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7844061.

The product of its digits is 199148544, while the sum is 64.

The spelling of 6773781437434 in words is "six trillion, seven hundred seventy-three billion, seven hundred eighty-one million, four hundred thirty-seven thousand, four hundred thirty-four".