64549455995 has 8 divisors (see below), whose sum is σ = 77547274560. Its totient is φ = 51580946560.

The previous prime is 64549455857. The next prime is 64549456033. The reversal of 64549455995 is 59955494546.

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

It is not a de Polignac number, because 64549455995 - 2²⁴ = 64532678779 is a prime.

It is an unprimeable number.

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, 7322435 + ... + 7331244.

It is an arithmetic number, because the mean of its divisors is an integer number (9693409320).

Almost surely, 2^64549455995 is an apocalyptic number.

64549455995 is a deficient number, since it is larger than the sum of its proper divisors (12997818565).

64549455995 is a wasteful number, since it uses less digits than its factorization.

64549455995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14654565.

The product of its digits is 174960000, while the sum is 65.

The spelling of 64549455995 in words is "sixty-four billion, five hundred forty-nine million, four hundred fifty-five thousand, nine hundred ninety-five".