6937281712384 has 27 divisors (see below), whose sum is σ = 13847548787877. Its totient is φ = 3468619785216.

The previous prime is 6937281712381. The next prime is 6937281712447. The reversal of 6937281712384 is 4832171827396.

The square root of 6937281712384 is 2633872.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4346057478400 + 2591224233984 = 2084720^2 + 1609728^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6937281712381) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 42059644 + ... + 42224260.

Almost surely, 2^{6937281712384} is an apocalyptic number.

6937281712384 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

6937281712384 is the 2633872-nd square number.

It is an amenable number.

6937281712384 is a deficient number, since it is larger than the sum of its proper divisors (6910267075493).

6937281712384 is an frugal number, since it uses more digits than its factorization.

6937281712384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329250 (or 164619 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 61.

The spelling of 6937281712384 in words is "six trillion, nine hundred thirty-seven billion, two hundred eighty-one million, seven hundred twelve thousand, three hundred eighty-four".