6754400989 has 8 divisors (see below), whose sum is σ = 7775661888. Its totient is φ = 5747226720.

The previous prime is 6754400981. The next prime is 6754401041. The reversal of 6754400989 is 9890044576.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6754400989 - 2³ = 6754400981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6754400981) 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, 3520627 + ... + 3522544.

It is an arithmetic number, because the mean of its divisors is an integer number (971957736).

Almost surely, 2^6754400989 is an apocalyptic number.

It is an amenable number.

6754400989 is a deficient number, since it is larger than the sum of its proper divisors (1021260899).

6754400989 is a wasteful number, since it uses less digits than its factorization.

6754400989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7043315.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 6754400989 is about 82185.1628276053. The cubic root of 6754400989 is about 1890.2922188445.

The spelling of 6754400989 in words is "six billion, seven hundred fifty-four million, four hundred thousand, nine hundred eighty-nine".