6450883739881 has 27 divisors (see below), whose sum is σ = 7577110836477. Its totient is φ = 5476037598360.

The previous prime is 6450883739717. The next prime is 6450883739893. The reversal of 6450883739881 is 1889373880546.

The square root of 6450883739881 is 2539859.

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

It is not a de Polignac number, because 6450883739881 - 2⁹ = 6450883739369 is a prime.

It is a super-2 number, since 2×6450883739881² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6450883739881.

It is not an unprimeable number, because it can be changed into a prime (6450883731881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1902352696 + ... + 1902356086.

Almost surely, 2^{6450883739881} is an apocalyptic number.

6450883739881 is the 2539859-th square number.

6450883739881 is the 1269930-th centered octagonal number.

It is an amenable number.

6450883739881 is a deficient number, since it is larger than the sum of its proper divisors (1126227096596).

6450883739881 is an frugal number, since it uses more digits than its factorization.

6450883739881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7010 (or 3505 counting only the distinct ones).

The product of its (nonzero) digits is 278691840, while the sum is 70.

The spelling of 6450883739881 in words is "six trillion, four hundred fifty billion, eight hundred eighty-three million, seven hundred thirty-nine thousand, eight hundred eighty-one".