6452585557636 has 9 divisors (see below), whose sum is σ = 11292033616549. Its totient is φ = 3226290238624.

The previous prime is 6452585557597. The next prime is 6452585557697. The reversal of 6452585557636 is 6367555852546.

The square root of 6452585557636 is 2540194.

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., 6182035776900 + 270549780736 = 2486370^2 + 520144^2 .

It is a super-2 number, since 2×6452585557636² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4445340 + ... + 5715436.

Almost surely, 2^{6452585557636} is an apocalyptic number.

6452585557636 is the 2540194-th square number.

It is an amenable number.

6452585557636 is a deficient number, since it is larger than the sum of its proper divisors (4839448058913).

6452585557636 is an frugal number, since it uses more digits than its factorization.

6452585557636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540198 (or 1270099 counting only the distinct ones).

The product of its digits is 907200000, while the sum is 67.

The spelling of 6452585557636 in words is "six trillion, four hundred fifty-two billion, five hundred eighty-five million, five hundred fifty-seven thousand, six hundred thirty-six".