102882287449 has 2 divisors, whose sum is σ = 102882287450. Its totient is φ = 102882287448.

The previous prime is 102882287447. The next prime is 102882287461. The reversal of 102882287449 is 944782288201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94967516224 + 7914771225 = 308168^2 + 88965^2 .

It is a cyclic number.

It is not a de Polignac number, because 102882287449 - 2¹ = 102882287447 is a prime.

Together with 102882287447, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 102882287449.

It is not a weakly prime, because it can be changed into another prime (102882287447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51441143724 + 51441143725.

It is an arithmetic number, because the mean of its divisors is an integer number (51441143725).

Almost surely, 2^102882287449 is an apocalyptic number.

It is an amenable number.

102882287449 is a deficient number, since it is larger than the sum of its proper divisors (1).

102882287449 is an equidigital number, since it uses as much as digits as its factorization.

102882287449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4128768, while the sum is 55.

The spelling of 102882287449 in words is "one hundred two billion, eight hundred eighty-two million, two hundred eighty-seven thousand, four hundred forty-nine".