6451536245 has 48 divisors (see below), whose sum is σ = 9837288000. Its totient is φ = 4016517120.

The previous prime is 6451536239. The next prime is 6451536293. The reversal of 6451536245 is 5426351546.

It is a happy number.

It is not a de Polignac number, because 6451536245 - 2¹⁴ = 6451519861 is a prime.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3796406 + ... + 3798104.

It is an arithmetic number, because the mean of its divisors is an integer number (204943500).

Almost surely, 2^6451536245 is an apocalyptic number.

It is an amenable number.

6451536245 is a deficient number, since it is larger than the sum of its proper divisors (3385751755).

6451536245 is a wasteful number, since it uses less digits than its factorization.

6451536245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138 (or 3131 counting only the distinct ones).

The product of its digits is 432000, while the sum is 41.

The square root of 6451536245 is about 80321.4556952250. The cubic root of 6451536245 is about 1861.6057591474.

The spelling of 6451536245 in words is "six billion, four hundred fifty-one million, five hundred thirty-six thousand, two hundred forty-five".