64753422433 has 24 divisors (see below), whose sum is σ = 79786820232. Its totient is φ = 52218077184.

The previous prime is 64753422431. The next prime is 64753422479. The reversal of 64753422433 is 33422435746.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 396328464 + 64357093969 = 19908^2 + 253687^2 .

It is not a de Polignac number, because 64753422433 - 2¹ = 64753422431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64753422433.

It is not an unprimeable number, because it can be changed into a prime (64753422431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2399785 + ... + 2426617.

It is an arithmetic number, because the mean of its divisors is an integer number (3324450843).

Almost surely, 2^64753422433 is an apocalyptic number.

It is an amenable number.

64753422433 is a deficient number, since it is larger than the sum of its proper divisors (15033397799).

64753422433 is a wasteful number, since it uses less digits than its factorization.

64753422433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29761 (or 29754 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 43.

The spelling of 64753422433 in words is "sixty-four billion, seven hundred fifty-three million, four hundred twenty-two thousand, four hundred thirty-three".