4221292697 has 2 divisors, whose sum is σ = 4221292698. Its totient is φ = 4221292696.

The previous prime is 4221292687. The next prime is 4221292721. The reversal of 4221292697 is 7962921224.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2747961241 + 1473331456 = 52421^2 + 38384^2 .

It is a cyclic number.

It is not a de Polignac number, because 4221292697 - 2⁶ = 4221292633 is a prime.

It is not a weakly prime, because it can be changed into another prime (4221292687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110646348 + 2110646349.

It is an arithmetic number, because the mean of its divisors is an integer number (2110646349).

Almost surely, 2^4221292697 is an apocalyptic number.

It is an amenable number.

4221292697 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221292697 is an equidigital number, since it uses as much as digits as its factorization.

4221292697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 4221292697 is about 64971.4760260224. The cubic root of 4221292697 is about 1616.1505789711.

The spelling of 4221292697 in words is "four billion, two hundred twenty-one million, two hundred ninety-two thousand, six hundred ninety-seven".