6989466477 has 24 divisors (see below), whose sum is σ = 10889469696. Its totient is φ = 3976051968.

The previous prime is 6989466467. The next prime is 6989466499. The reversal of 6989466477 is 7746649896.

It is a happy number.

It is not a de Polignac number, because 6989466477 - 2⁸ = 6989466221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6989466457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73828 + ... + 139389.

It is an arithmetic number, because the mean of its divisors is an integer number (453727904).

Almost surely, 2^6989466477 is an apocalyptic number.

It is an amenable number.

6989466477 is a deficient number, since it is larger than the sum of its proper divisors (3900003219).

6989466477 is a wasteful number, since it uses less digits than its factorization.

6989466477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213457 (or 213450 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 66.

The square root of 6989466477 is about 83603.0291137827. The cubic root of 6989466477 is about 1911.9711818111.

The spelling of 6989466477 in words is "six billion, nine hundred eighty-nine million, four hundred sixty-six thousand, four hundred seventy-seven".