6431738089 has 48 divisors (see below), whose sum is σ = 7997952000. Its totient is φ = 5168971584.

The previous prime is 6431738087. The next prime is 6431738099. The reversal of 6431738089 is 9808371346.

It is a happy number.

It is not a de Polignac number, because 6431738089 - 2¹ = 6431738087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6431738087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15725317 + ... + 15725725.

It is an arithmetic number, because the mean of its divisors is an integer number (166624000).

Almost surely, 2^6431738089 is an apocalyptic number.

It is an amenable number.

6431738089 is a deficient number, since it is larger than the sum of its proper divisors (1566213911).

6431738089 is a wasteful number, since it uses less digits than its factorization.

6431738089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 6431738089 is about 80198.1177397575. The cubic root of 6431738089 is about 1859.6995399551.

The spelling of 6431738089 in words is "six billion, four hundred thirty-one million, seven hundred thirty-eight thousand, eighty-nine".