4289091544397 has 12 divisors (see below), whose sum is σ = 4716104210748. Its totient is φ = 3897810945600.

The previous prime is 4289091544393. The next prime is 4289091544417. The reversal of 4289091544397 is 7934451909824.

It can be written as a sum of positive squares in 2 ways, for example, as 2169239991556 + 2119851552841 = 1472834^2 + 1455971^2 .

It is not a de Polignac number, because 4289091544397 - 2² = 4289091544393 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 (4289091544393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5848688 + ... + 6541049.

It is an arithmetic number, because the mean of its divisors is an integer number (393008684229).

Almost surely, 2^{4289091544397} is an apocalyptic number.

It is an amenable number.

4289091544397 is a deficient number, since it is larger than the sum of its proper divisors (427012666351).

4289091544397 is a wasteful number, since it uses less digits than its factorization.

4289091544397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12392620 (or 12392609 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 65.

The spelling of 4289091544397 in words is "four trillion, two hundred eighty-nine billion, ninety-one million, five hundred forty-four thousand, three hundred ninety-seven".