1450316812681 has 9 divisors (see below), whose sum is σ = 1594164446119. Its totient is φ = 1318457786800.

The previous prime is 1450316812661. The next prime is 1450316812691. The reversal of 1450316812681 is 1862186130541.

The square root of 1450316812681 is 1204291.

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., 211102572681 + 1239214240000 = 459459^2 + 1113200^2 .

It is not a de Polignac number, because 1450316812681 - 2²⁷ = 1450182594953 is a prime.

It is a super-2 number, since 2×1450316812681² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1450316812661) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13192461 + ... + 13301941.

Almost surely, 2^{1450316812681} is an apocalyptic number.

1450316812681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1450316812681 is the 1204291-st square number.

1450316812681 is the 602146-th centered octagonal number.

It is an amenable number.

1450316812681 is a deficient number, since it is larger than the sum of its proper divisors (143847633438).

1450316812681 is an frugal number, since it uses more digits than its factorization.

1450316812681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218984 (or 109492 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 1450316812681 in words is "one trillion, four hundred fifty billion, three hundred sixteen million, eight hundred twelve thousand, six hundred eighty-one".