6452570316481 has 9 divisors (see below), whose sum is σ = 6854506382371. Its totient is φ = 6072966713632.

The previous prime is 6452570316421. The next prime is 6452570316487. The reversal of 6452570316481 is 1846130752546.

The square root of 6452570316481 is 2540191.

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., 5023627409025 + 1428942907456 = 2241345^2 + 1195384^2 .

It is not a de Polignac number, because 6452570316481 - 2¹¹ = 6452570314433 is a prime.

It is a super-2 number, since 2×6452570316481² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6452570316487) 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, 43108536 + ... + 43257958.

Almost surely, 2^{6452570316481} is an apocalyptic number.

6452570316481 is the 2540191-st square number.

6452570316481 is the 1270096-th centered octagonal number.

It is an amenable number.

6452570316481 is a deficient number, since it is larger than the sum of its proper divisors (401936065890).

6452570316481 is an frugal number, since it uses more digits than its factorization.

6452570316481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298880 (or 149440 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 6452570316481 in words is "six trillion, four hundred fifty-two billion, five hundred seventy million, three hundred sixteen thousand, four hundred eighty-one".