2642697229 has 2 divisors, whose sum is σ = 2642697230. Its totient is φ = 2642697228.

The previous prime is 2642697193. The next prime is 2642697241. The reversal of 2642697229 is 9227962462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2082096900 + 560600329 = 45630^2 + 23677^2 .

It is a cyclic number.

It is not a de Polignac number, because 2642697229 - 2¹⁵ = 2642664461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2642697929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321348614 + 1321348615.

It is an arithmetic number, because the mean of its divisors is an integer number (1321348615).

Almost surely, 2^2642697229 is an apocalyptic number.

It is an amenable number.

2642697229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2642697229 is an equidigital number, since it uses as much as digits as its factorization.

2642697229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 49.

The square root of 2642697229 is about 51407.1709881024. The cubic root of 2642697229 is about 1382.5551674633. Note that the first 3 decimals are identical.

The spelling of 2642697229 in words is "two billion, six hundred forty-two million, six hundred ninety-seven thousand, two hundred twenty-nine".