289982247479 has 2 divisors, whose sum is σ = 289982247480. Its totient is φ = 289982247478.

The previous prime is 289982247353. The next prime is 289982247617. The reversal of 289982247479 is 974742289982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 289982247479 - 2²⁸ = 289713812023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289982247179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144991123739 + 144991123740.

It is an arithmetic number, because the mean of its divisors is an integer number (144991123740).

Almost surely, 2^289982247479 is an apocalyptic number.

289982247479 is a deficient number, since it is larger than the sum of its proper divisors (1).

289982247479 is an equidigital number, since it uses as much as digits as its factorization.

289982247479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 292626432, while the sum is 71.

The spelling of 289982247479 in words is "two hundred eighty-nine billion, nine hundred eighty-two million, two hundred forty-seven thousand, four hundred seventy-nine".