3445312066591 has 2 divisors, whose sum is σ = 3445312066592. Its totient is φ = 3445312066590.

The previous prime is 3445312066523. The next prime is 3445312066601. The reversal of 3445312066591 is 1956602135443.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3445312066591 - 2¹³ = 3445312058399 is a prime.

It is a super-2 number, since 2×3445312066591² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3445312066291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1722656033295 + 1722656033296.

It is an arithmetic number, because the mean of its divisors is an integer number (1722656033296).

Almost surely, 2^{3445312066591} is an apocalyptic number.

3445312066591 is a deficient number, since it is larger than the sum of its proper divisors (1).

3445312066591 is an equidigital number, since it uses as much as digits as its factorization.

3445312066591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 49.

The spelling of 3445312066591 in words is "three trillion, four hundred forty-five billion, three hundred twelve million, sixty-six thousand, five hundred ninety-one".