4459488487381 has 2 divisors, whose sum is σ = 4459488487382. Its totient is φ = 4459488487380.

The previous prime is 4459488487369. The next prime is 4459488487387. The reversal of 4459488487381 is 1837848849544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4384626602500 + 74861884881 = 2093950^2 + 273609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4459488487381 is a prime.

It is a super-2 number, since 2×4459488487381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4459488487387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2229744243690 + 2229744243691.

It is an arithmetic number, because the mean of its divisors is an integer number (2229744243691).

Almost surely, 2^{4459488487381} is an apocalyptic number.

It is an amenable number.

4459488487381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4459488487381 is an equidigital number, since it uses as much as digits as its factorization.

4459488487381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 990904320, while the sum is 73.

The spelling of 4459488487381 in words is "four trillion, four hundred fifty-nine billion, four hundred eighty-eight million, four hundred eighty-seven thousand, three hundred eighty-one".