287414807389 has 2 divisors, whose sum is σ = 287414807390. Its totient is φ = 287414807388.

The previous prime is 287414807387. The next prime is 287414807399. The reversal of 287414807389 is 983708414782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 249995000025 + 37419807364 = 499995^2 + 193442^2 .

It is a cyclic number.

It is not a de Polignac number, because 287414807389 - 2¹ = 287414807387 is a prime.

Together with 287414807387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (287414807387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143707403694 + 143707403695.

It is an arithmetic number, because the mean of its divisors is an integer number (143707403695).

Almost surely, 2^287414807389 is an apocalyptic number.

It is an amenable number.

287414807389 is a deficient number, since it is larger than the sum of its proper divisors (1).

287414807389 is an equidigital number, since it uses as much as digits as its factorization.

287414807389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21676032, while the sum is 61.

The spelling of 287414807389 in words is "two hundred eighty-seven billion, four hundred fourteen million, eight hundred seven thousand, three hundred eighty-nine".