4231000019489 has 2 divisors, whose sum is σ = 4231000019490. Its totient is φ = 4231000019488.

The previous prime is 4231000019473. The next prime is 4231000019509. The reversal of 4231000019489 is 9849100001324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4125842501089 + 105157518400 = 2031217^2 + 324280^2 .

It is a cyclic number.

It is not a de Polignac number, because 4231000019489 - 2⁴ = 4231000019473 is a prime.

It is a super-2 number, since 2×4231000019489² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4231000019419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115500009744 + 2115500009745.

It is an arithmetic number, because the mean of its divisors is an integer number (2115500009745).

Almost surely, 2^{4231000019489} is an apocalyptic number.

It is an amenable number.

4231000019489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231000019489 is an equidigital number, since it uses as much as digits as its factorization.

4231000019489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 4231000019489 in words is "four trillion, two hundred thirty-one billion, nineteen thousand, four hundred eighty-nine".