2145086479 has 2 divisors, whose sum is σ = 2145086480. Its totient is φ = 2145086478.

The previous prime is 2145086477. The next prime is 2145086501. The reversal of 2145086479 is 9746805412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2145086479 - 2¹ = 2145086477 is a prime.

Together with 2145086477, 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 (2145086473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072543239 + 1072543240.

It is an arithmetic number, because the mean of its divisors is an integer number (1072543240).

Almost surely, 2^2145086479 is an apocalyptic number.

2145086479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145086479 is an equidigital number, since it uses as much as digits as its factorization.

2145086479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 2145086479 is about 46315.0783114959. The cubic root of 2145086479 is about 1289.6789215531.

The spelling of 2145086479 in words is "two billion, one hundred forty-five million, eighty-six thousand, four hundred seventy-nine".