3445626404369 has 2 divisors, whose sum is σ = 3445626404370. Its totient is φ = 3445626404368.

The previous prime is 3445626404323. The next prime is 3445626404383. The reversal of 3445626404369 is 9634046265443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2541833941969 + 903792462400 = 1594313^2 + 950680^2 .

It is an emirp because it is prime and its reverse (9634046265443) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3445626404369 is a prime.

It is a super-2 number, since 2×3445626404369² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3445626404399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1722813202184 + 1722813202185.

It is an arithmetic number, because the mean of its divisors is an integer number (1722813202185).

Almost surely, 2^{3445626404369} is an apocalyptic number.

It is an amenable number.

3445626404369 is a deficient number, since it is larger than the sum of its proper divisors (1).

3445626404369 is an equidigital number, since it uses as much as digits as its factorization.

3445626404369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44789760, while the sum is 56.

The spelling of 3445626404369 in words is "three trillion, four hundred forty-five billion, six hundred twenty-six million, four hundred four thousand, three hundred sixty-nine".