7435540069 has 2 divisors, whose sum is σ = 7435540070. Its totient is φ = 7435540068.

The previous prime is 7435540043. The next prime is 7435540093. The reversal of 7435540069 is 9600455347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3917508100 + 3518031969 = 62590^2 + 59313^2 .

It is a cyclic number.

It is not a de Polignac number, because 7435540069 - 2⁹ = 7435539557 is a prime.

It is a super-2 number, since 2×7435540069² (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 (7435550069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3717770034 + 3717770035.

It is an arithmetic number, because the mean of its divisors is an integer number (3717770035).

Almost surely, 2^7435540069 is an apocalyptic number.

It is an amenable number.

7435540069 is a deficient number, since it is larger than the sum of its proper divisors (1).

7435540069 is an equidigital number, since it uses as much as digits as its factorization.

7435540069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 7435540069 is about 86229.5776923441. The cubic root of 7435540069 is about 1951.8098532539.

The spelling of 7435540069 in words is "seven billion, four hundred thirty-five million, five hundred forty thousand, sixty-nine".