7144161020639 has 8 divisors (see below), whose sum is σ = 7185549017280. Its totient is φ = 7102774084896.

The previous prime is 7144161020569. The next prime is 7144161020669. The reversal of 7144161020639 is 9360201614417.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7144161020639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7144161020639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7144161020669) 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, 16189082 + ... + 16624520.

It is an arithmetic number, because the mean of its divisors is an integer number (898193627160).

Almost surely, 2^{7144161020639} is an apocalyptic number.

7144161020639 is a deficient number, since it is larger than the sum of its proper divisors (41387996641).

7144161020639 is a wasteful number, since it uses less digits than its factorization.

7144161020639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530449.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 7144161020639 in words is "seven trillion, one hundred forty-four billion, one hundred sixty-one million, twenty thousand, six hundred thirty-nine".