6743776401 has 6 divisors (see below), whose sum is σ = 9741010370. Its totient is φ = 4495850928.

The previous prime is 6743776349. The next prime is 6743776409. The reversal of 6743776401 is 1046773476.

6743776401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5790449025 + 953327376 = 76095^2 + 30876^2 .

It is not a de Polignac number, because 6743776401 - 2⁶ = 6743776337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6743776409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 374654236 + ... + 374654253.

Almost surely, 2^6743776401 is an apocalyptic number.

It is an amenable number.

6743776401 is a deficient number, since it is larger than the sum of its proper divisors (2997233969).

6743776401 is a wasteful number, since it uses less digits than its factorization.

6743776401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749308495 (or 749308492 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The square root of 6743776401 is about 82120.4992739328. The cubic root of 6743776401 is about 1889.3005633953.

The spelling of 6743776401 in words is "six billion, seven hundred forty-three million, seven hundred seventy-six thousand, four hundred one".