4239522097 has 2 divisors, whose sum is σ = 4239522098. Its totient is φ = 4239522096.

The previous prime is 4239522071. The next prime is 4239522107. The reversal of 4239522097 is 7902259324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4122795681 + 116726416 = 64209^2 + 10804^2 .

It is a cyclic number.

It is not a de Polignac number, because 4239522097 - 2¹¹ = 4239520049 is a prime.

It is a super-2 number, since 2×4239522097² = 35947095221902554818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4239522017) 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, 2119761048 + 2119761049.

It is an arithmetic number, because the mean of its divisors is an integer number (2119761049).

Almost surely, 2^4239522097 is an apocalyptic number.

It is an amenable number.

4239522097 is a deficient number, since it is larger than the sum of its proper divisors (1).

4239522097 is an equidigital number, since it uses as much as digits as its factorization.

4239522097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 4239522097 is about 65111.6126124979. The cubic root of 4239522097 is about 1618.4736546853.

The spelling of 4239522097 in words is "four billion, two hundred thirty-nine million, five hundred twenty-two thousand, ninety-seven".