7445866069 has 2 divisors, whose sum is σ = 7445866070. Its totient is φ = 7445866068.

The previous prime is 7445866033. The next prime is 7445866073. The reversal of 7445866069 is 9606685447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6878711844 + 567154225 = 82938^2 + 23815^2 .

It is a cyclic number.

It is not a de Polignac number, because 7445866069 - 2⁷ = 7445865941 is a prime.

It is a super-2 number, since 2×7445866069² (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 (7445866009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3722933034 + 3722933035.

It is an arithmetic number, because the mean of its divisors is an integer number (3722933035).

Almost surely, 2^7445866069 is an apocalyptic number.

It is an amenable number.

7445866069 is a deficient number, since it is larger than the sum of its proper divisors (1).

7445866069 is an equidigital number, since it uses as much as digits as its factorization.

7445866069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The square root of 7445866069 is about 86289.4319659134. The cubic root of 7445866069 is about 1952.7129513406.

The spelling of 7445866069 in words is "seven billion, four hundred forty-five million, eight hundred sixty-six thousand, sixty-nine".