12758033669 has 2 divisors, whose sum is σ = 12758033670. Its totient is φ = 12758033668.

The previous prime is 12758033657. The next prime is 12758033747. The reversal of 12758033669 is 96633085721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8644350625 + 4113683044 = 92975^2 + 64138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12758033669 is a prime.

It is a super-2 number, since 2×12758033669² (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 (12758033609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6379016834 + 6379016835.

It is an arithmetic number, because the mean of its divisors is an integer number (6379016835).

Almost surely, 2^12758033669 is an apocalyptic number.

It is an amenable number.

12758033669 is a deficient number, since it is larger than the sum of its proper divisors (1).

12758033669 is an equidigital number, since it uses as much as digits as its factorization.

12758033669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 12758033669 in words is "twelve billion, seven hundred fifty-eight million, thirty-three thousand, six hundred sixty-nine".