2401279289 has 2 divisors, whose sum is σ = 2401279290. Its totient is φ = 2401279288.

The previous prime is 2401279277. The next prime is 2401279319. The reversal of 2401279289 is 9829721042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1632160000 + 769119289 = 40400^2 + 27733^2 .

It is a cyclic number.

It is not a de Polignac number, because 2401279289 - 2²⁴ = 2384502073 is a prime.

It is a super-2 number, since 2×2401279289² = 11532284447560691042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2401279219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200639644 + 1200639645.

It is an arithmetic number, because the mean of its divisors is an integer number (1200639645).

Almost surely, 2^2401279289 is an apocalyptic number.

It is an amenable number.

2401279289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2401279289 is an equidigital number, since it uses as much as digits as its factorization.

2401279289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 2401279289 is about 49002.8498048838. The cubic root of 2401279289 is about 1339.1037463005.

It can be divided in two parts, 24012 and 79289, that added together give a palindrome (103301).

The spelling of 2401279289 in words is "two billion, four hundred one million, two hundred seventy-nine thousand, two hundred eighty-nine".