64354016755771 has 4 divisors (see below), whose sum is σ = 64354032931752. Its totient is φ = 64354000579792.

The previous prime is 64354016755751. The next prime is 64354016755781. The reversal of 64354016755771 is 17755761045346.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 64354016755771 - 2⁵ = 64354016755739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64354016755751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2498511 + ... + 11616823.

It is an arithmetic number, because the mean of its divisors is an integer number (16088508232938).

Almost surely, 2^{64354016755771} is an apocalyptic number.

64354016755771 is a deficient number, since it is larger than the sum of its proper divisors (16175981).

64354016755771 is an equidigital number, since it uses as much as digits as its factorization.

64354016755771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16175980.

The product of its (nonzero) digits is 74088000, while the sum is 61.

The spelling of 64354016755771 in words is "sixty-four trillion, three hundred fifty-four billion, sixteen million, seven hundred fifty-five thousand, seven hundred seventy-one".