2272979539 has 2 divisors, whose sum is σ = 2272979540. Its totient is φ = 2272979538.

The previous prime is 2272979521. The next prime is 2272979561. The reversal of 2272979539 is 9359792722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2272979539 - 2¹³ = 2272971347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2272979539.

It is not a weakly prime, because it can be changed into another prime (2272979939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136489769 + 1136489770.

It is an arithmetic number, because the mean of its divisors is an integer number (1136489770).

Almost surely, 2^2272979539 is an apocalyptic number.

2272979539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272979539 is an equidigital number, since it uses as much as digits as its factorization.

2272979539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4286520, while the sum is 55.

The square root of 2272979539 is about 47675.7751798542. The cubic root of 2272979539 is about 1314.8165905343.

The spelling of 2272979539 in words is "two billion, two hundred seventy-two million, nine hundred seventy-nine thousand, five hundred thirty-nine".