7122523069 has 2 divisors, whose sum is σ = 7122523070. Its totient is φ = 7122523068.

The previous prime is 7122523063. The next prime is 7122523097. The reversal of 7122523069 is 9603252217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6196051225 + 926471844 = 78715^2 + 30438^2 .

It is a cyclic number.

It is not a de Polignac number, because 7122523069 - 2⁷ = 7122522941 is a prime.

It is a super-2 number, since 2×7122523069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7122523063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3561261534 + 3561261535.

It is an arithmetic number, because the mean of its divisors is an integer number (3561261535).

Almost surely, 2^7122523069 is an apocalyptic number.

It is an amenable number.

7122523069 is a deficient number, since it is larger than the sum of its proper divisors (1).

7122523069 is an equidigital number, since it uses as much as digits as its factorization.

7122523069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 7122523069 is about 84395.0417323198. The cubic root of 7122523069 is about 1924.0275579989.

The spelling of 7122523069 in words is "seven billion, one hundred twenty-two million, five hundred twenty-three thousand, sixty-nine".