64267314640441 has 4 divisors (see below), whose sum is σ = 70109797789584. Its totient is φ = 58424831491300.

The previous prime is 64267314640393. The next prime is 64267314640523. The reversal of 64267314640441 is 14404641376246.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64267314640441 - 2¹¹ = 64267314638393 is a prime.

It is a super-2 number, since 2×64267314640441² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64267314640741) 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, 2921241574555 + ... + 2921241574576.

It is an arithmetic number, because the mean of its divisors is an integer number (17527449447396).

Almost surely, 2^{64267314640441} is an apocalyptic number.

It is an amenable number.

64267314640441 is a deficient number, since it is larger than the sum of its proper divisors (5842483149143).

64267314640441 is a wasteful number, since it uses less digits than its factorization.

64267314640441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5842483149142.

The product of its (nonzero) digits is 9289728, while the sum is 52.

The spelling of 64267314640441 in words is "sixty-four trillion, two hundred sixty-seven billion, three hundred fourteen million, six hundred forty thousand, four hundred forty-one".