64497652733 has 8 divisors (see below), whose sum is σ = 69472928256. Its totient is φ = 59703296400.

The previous prime is 64497652727. The next prime is 64497652753. The reversal of 64497652733 is 33725679446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64497652733 - 2⁸ = 64497652477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64497652753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45229058 + ... + 45230483.

It is an arithmetic number, because the mean of its divisors is an integer number (8684116032).

Almost surely, 2^64497652733 is an apocalyptic number.

It is an amenable number.

64497652733 is a deficient number, since it is larger than the sum of its proper divisors (4975275523).

64497652733 is a wasteful number, since it uses less digits than its factorization.

64497652733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90459595.

The product of its digits is 22861440, while the sum is 56.

The spelling of 64497652733 in words is "sixty-four billion, four hundred ninety-seven million, six hundred fifty-two thousand, seven hundred thirty-three".