75080266609 has 2 divisors, whose sum is σ = 75080266610. Its totient is φ = 75080266608.

The previous prime is 75080266567. The next prime is 75080266631. The reversal of 75080266609 is 90666208057.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53095680625 + 21984585984 = 230425^2 + 148272^2 .

It is a cyclic number.

It is not a de Polignac number, because 75080266609 - 2¹³ = 75080258417 is a prime.

It is not a weakly prime, because it can be changed into another prime (75080266649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37540133304 + 37540133305.

It is an arithmetic number, because the mean of its divisors is an integer number (37540133305).

Almost surely, 2^75080266609 is an apocalyptic number.

It is an amenable number.

75080266609 is a deficient number, since it is larger than the sum of its proper divisors (1).

75080266609 is an equidigital number, since it uses as much as digits as its factorization.

75080266609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 75080266609 in words is "seventy-five billion, eighty million, two hundred sixty-six thousand, six hundred nine".