6776431489 has 16 divisors (see below), whose sum is σ = 7493904000. Its totient is φ = 6100233984.

The previous prime is 6776431483. The next prime is 6776431507. The reversal of 6776431489 is 9841346776.

It is a cyclic number.

It is not a de Polignac number, because 6776431489 - 2¹⁷ = 6776300417 is a prime.

It is a super-2 number, since 2×6776431489² = 91840047450221514242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6776431483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54189 + ... + 128410.

It is an arithmetic number, because the mean of its divisors is an integer number (468369000).

Almost surely, 2^6776431489 is an apocalyptic number.

It is an amenable number.

6776431489 is a deficient number, since it is larger than the sum of its proper divisors (717472511).

6776431489 is a wasteful number, since it uses less digits than its factorization.

6776431489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182712.

The product of its digits is 6096384, while the sum is 55.

The square root of 6776431489 is about 82319.0833828949. The cubic root of 6776431489 is about 1892.3451464345.

The spelling of 6776431489 in words is "six billion, seven hundred seventy-six million, four hundred thirty-one thousand, four hundred eighty-nine".