648527417344 has 39 divisors (see below), whose sum is σ = 1296999578343. Its totient is φ = 324237938688.

The previous prime is 648527417327. The next prime is 648527417389. The reversal of 648527417344 is 443714725846.

It is a happy number.

The square root of 648527417344 is 805312.

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

It is a super-2 number, since 2×648527417344² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 51533677 + ... + 51546259.

Almost surely, 2^648527417344 is an apocalyptic number.

648527417344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

648527417344 is the 805312-nd square number.

It is an amenable number.

648527417344 is a deficient number, since it is larger than the sum of its proper divisors (648472160999).

648527417344 is an frugal number, since it uses more digits than its factorization.

648527417344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25190 (or 12585 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 55.

The spelling of 648527417344 in words is "six hundred forty-eight billion, five hundred twenty-seven million, four hundred seventeen thousand, three hundred forty-four".