6392983549225 has 81 divisors (see below), whose sum is σ = 9987265437327. Its totient is φ = 4045819639680.

The previous prime is 6392983549219. The next prime is 6392983549261. The reversal of 6392983549225 is 5229453892936.

The square root of 6392983549225 is 2528435.

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

It can be written as a sum of positive squares in 13 ways, for example, as 3127199655321 + 3265783893904 = 1768389^2 + 1807148^2 .

It is not a de Polignac number, because 6392983549225 - 2⁹ = 6392983548713 is a prime.

It is a super-2 number, since 2×6392983549225² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1150435147 + ... + 1150440703.

Almost surely, 2^{6392983549225} is an apocalyptic number.

6392983549225 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6392983549225 is the 2528435-th square number.

6392983549225 is the 1264218-th centered octagonal number.

It is an amenable number.

6392983549225 is a deficient number, since it is larger than the sum of its proper divisors (3594281888102).

6392983549225 is an frugal number, since it uses more digits than its factorization.

6392983549225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11164 (or 5582 counting only the distinct ones).

The product of its digits is 251942400, while the sum is 67.

The spelling of 6392983549225 in words is "six trillion, three hundred ninety-two billion, nine hundred eighty-three million, five hundred forty-nine thousand, two hundred twenty-five".