64532441659955 has 8 divisors (see below), whose sum is σ = 77460363429072. Its totient is φ = 51611664369888.

The previous prime is 64532441659913. The next prime is 64532441659979. The reversal of 64532441659955 is 55995614423546.

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 64532441659955 - 2²² = 64532437465651 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1786099889 + ... + 1786136018.

It is an arithmetic number, because the mean of its divisors is an integer number (9682545428634).

Almost surely, 2^{64532441659955} is an apocalyptic number.

64532441659955 is a deficient number, since it is larger than the sum of its proper divisors (12927921769117).

64532441659955 is a wasteful number, since it uses less digits than its factorization.

64532441659955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3572239525.

The product of its digits is 699840000, while the sum is 68.

The spelling of 64532441659955 in words is "sixty-four trillion, five hundred thirty-two billion, four hundred forty-one million, six hundred fifty-nine thousand, nine hundred fifty-five".