6452521761 has 16 divisors (see below), whose sum is σ = 9873561600. Its totient is φ = 3671725008.

The previous prime is 6452521693. The next prime is 6452521769. The reversal of 6452521761 is 1671252546.

It is not a de Polignac number, because 6452521761 - 2¹⁵ = 6452488993 is a prime.

It is a super-2 number, since 2×6452521761² = 83270074152357082242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6452521769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637791 + ... + 647828.

It is an arithmetic number, because the mean of its divisors is an integer number (617097600).

Almost surely, 2^6452521761 is an apocalyptic number.

It is an amenable number.

6452521761 is a deficient number, since it is larger than the sum of its proper divisors (3421039839).

6452521761 is a wasteful number, since it uses less digits than its factorization.

6452521761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285868.

The product of its digits is 100800, while the sum is 39.

The square root of 6452521761 is about 80327.5902850322. The cubic root of 6452521761 is about 1861.7005452976.

The spelling of 6452521761 in words is "six billion, four hundred fifty-two million, five hundred twenty-one thousand, seven hundred sixty-one".