1144064066639 has 8 divisors (see below), whose sum is σ = 1232077710192. Its totient is φ = 1056051668160.

The previous prime is 1144064066603. The next prime is 1144064066681. The reversal of 1144064066639 is 9366604604411.

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 1144064066639 - 2²⁸ = 1143795631183 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 (1144064066239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2618684 + ... + 3024174.

It is an arithmetic number, because the mean of its divisors is an integer number (154009713774).

Almost surely, 2^{1144064066639} is an apocalyptic number.

1144064066639 is a deficient number, since it is larger than the sum of its proper divisors (88013643553).

1144064066639 is a wasteful number, since it uses less digits than its factorization.

1144064066639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622537.

The product of its (nonzero) digits is 2239488, while the sum is 50.

The spelling of 1144064066639 in words is "one trillion, one hundred forty-four billion, sixty-four million, sixty-six thousand, six hundred thirty-nine".