6738949632 has 160 divisors (see below), whose sum is σ = 18632807424. Its totient is φ = 2162073600.

The previous prime is 6738949631. The next prime is 6738949649. The reversal of 6738949632 is 2369498376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6738949631) 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, 14617882 + ... + 14618342.

Almost surely, 2^6738949632 is an apocalyptic number.

6738949632 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6738949632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9316403712).

6738949632 is an abundant number, since it is smaller than the sum of its proper divisors (11893857792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6738949632 is a wasteful number, since it uses less digits than its factorization.

6738949632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 804 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 57.

The square root of 6738949632 is about 82091.1056814318. The cubic root of 6738949632 is about 1888.8497084950.

The spelling of 6738949632 in words is "six billion, seven hundred thirty-eight million, nine hundred forty-nine thousand, six hundred thirty-two".