6501633145 has 16 divisors (see below), whose sum is σ = 8969925888. Its totient is φ = 4431562560.

The previous prime is 6501633143. The next prime is 6501633191. The reversal of 6501633145 is 5413361056.

It is not a de Polignac number, because 6501633145 - 2¹ = 6501633143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6501633145.

It is not an unprimeable number, because it can be changed into a prime (6501633143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550326 + ... + 562015.

It is an arithmetic number, because the mean of its divisors is an integer number (560620368).

Almost surely, 2^6501633145 is an apocalyptic number.

It is an amenable number.

6501633145 is a deficient number, since it is larger than the sum of its proper divisors (2468292743).

6501633145 is a wasteful number, since it uses less digits than its factorization.

6501633145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112520.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 6501633145 is about 80632.7051822026. The cubic root of 6501633145 is about 1866.4118661389.

The spelling of 6501633145 in words is "six billion, five hundred one million, six hundred thirty-three thousand, one hundred forty-five".