6545031712 has 12 divisors (see below), whose sum is σ = 12885531246. Its totient is φ = 3272515840.

The previous prime is 6545031709. The next prime is 6545031733. The reversal of 6545031712 is 2171305456.

It can be written as a sum of positive squares in only one way, i.e., 4581123856 + 1963907856 = 67684^2 + 44316^2 .

It is a super-2 number, since 2×6545031712² = 85674880222171301888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102266089 + ... + 102266152.

Almost surely, 2^6545031712 is an apocalyptic number.

It is an amenable number.

6545031712 is a deficient number, since it is larger than the sum of its proper divisors (6340499534).

6545031712 is a wasteful number, since it uses less digits than its factorization.

6545031712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204532251 (or 204532243 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 6545031712 is about 80901.3702726969. The cubic root of 6545031712 is about 1870.5554425397. Note that the first 3 decimals are identical.

The spelling of 6545031712 in words is "six billion, five hundred forty-five million, thirty-one thousand, seven hundred twelve".