2420517289 has 2 divisors, whose sum is σ = 2420517290. Its totient is φ = 2420517288.

The previous prime is 2420517269. The next prime is 2420517301. The reversal of 2420517289 is 9827150242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2220011689 + 200505600 = 47117^2 + 14160^2 .

It is a cyclic number.

It is not a de Polignac number, because 2420517289 - 2²³ = 2412128681 is a prime.

It is not a weakly prime, because it can be changed into another prime (2420517269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210258644 + 1210258645.

It is an arithmetic number, because the mean of its divisors is an integer number (1210258645).

Almost surely, 2^2420517289 is an apocalyptic number.

It is an amenable number.

2420517289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420517289 is an equidigital number, since it uses as much as digits as its factorization.

2420517289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 2420517289 is about 49198.7529211869. The cubic root of 2420517289 is about 1342.6703431377.

The spelling of 2420517289 in words is "two billion, four hundred twenty million, five hundred seventeen thousand, two hundred eighty-nine".