2287998243829 has 2 divisors, whose sum is σ = 2287998243830. Its totient is φ = 2287998243828.

The previous prime is 2287998243823. The next prime is 2287998243863. The reversal of 2287998243829 is 9283428997822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2281087646929 + 6910596900 = 1510327^2 + 83130^2 .

It is a cyclic number.

It is not a de Polignac number, because 2287998243829 - 2²⁵ = 2287964689397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2287998243823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1143999121914 + 1143999121915.

It is an arithmetic number, because the mean of its divisors is an integer number (1143999121915).

Almost surely, 2^{2287998243829} is an apocalyptic number.

It is an amenable number.

2287998243829 is a deficient number, since it is larger than the sum of its proper divisors (1).

2287998243829 is an equidigital number, since it uses as much as digits as its factorization.

2287998243829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 501645312, while the sum is 73.

The spelling of 2287998243829 in words is "two trillion, two hundred eighty-seven billion, nine hundred ninety-eight million, two hundred forty-three thousand, eight hundred twenty-nine".