4244212997 has 2 divisors, whose sum is σ = 4244212998. Its totient is φ = 4244212996.

The previous prime is 4244212993. The next prime is 4244213003. The reversal of 4244212997 is 7992124424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4063552516 + 180660481 = 63746^2 + 13441^2 .

It is a cyclic number.

It is not a de Polignac number, because 4244212997 - 2² = 4244212993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4244212993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2122106498 + 2122106499.

It is an arithmetic number, because the mean of its divisors is an integer number (2122106499).

Almost surely, 2^4244212997 is an apocalyptic number.

It is an amenable number.

4244212997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4244212997 is an equidigital number, since it uses as much as digits as its factorization.

4244212997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The square root of 4244212997 is about 65147.6246458764. The cubic root of 4244212997 is about 1619.0703649962.

The spelling of 4244212997 in words is "four billion, two hundred forty-four million, two hundred twelve thousand, nine hundred ninety-seven".