2115289229 has 2 divisors, whose sum is σ = 2115289230. Its totient is φ = 2115289228.

The previous prime is 2115289219. The next prime is 2115289249. The reversal of 2115289229 is 9229825112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1539385225 + 575904004 = 39235^2 + 23998^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2115289229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2115289219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057644614 + 1057644615.

It is an arithmetic number, because the mean of its divisors is an integer number (1057644615).

Almost surely, 2^2115289229 is an apocalyptic number.

It is an amenable number.

2115289229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115289229 is an equidigital number, since it uses as much as digits as its factorization.

2115289229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 41.

The square root of 2115289229 is about 45992.2735793742. The cubic root of 2115289229 is about 1283.6794417616.

The spelling of 2115289229 in words is "two billion, one hundred fifteen million, two hundred eighty-nine thousand, two hundred twenty-nine".