6981513432 has 32 divisors (see below), whose sum is σ = 17493209280. Its totient is φ = 2321914400.

The previous prime is 6981513401. The next prime is 6981513439. The reversal of 6981513432 is 2343151896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6981513439) 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, 317694 + ... + 338957.

It is an arithmetic number, because the mean of its divisors is an integer number (546662790).

Almost surely, 2^6981513432 is an apocalyptic number.

It is an amenable number.

6981513432 is an abundant number, since it is smaller than the sum of its proper divisors (10511695848).

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

6981513432 is a wasteful number, since it uses less digits than its factorization.

6981513432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657103 (or 657099 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 6981513432 is about 83555.4512404786. The cubic root of 6981513432 is about 1911.2457204336.

The spelling of 6981513432 in words is "six billion, nine hundred eighty-one million, five hundred thirteen thousand, four hundred thirty-two".