345332033693 has 2 divisors, whose sum is σ = 345332033694. Its totient is φ = 345332033692.

The previous prime is 345332033647. The next prime is 345332033759. The reversal of 345332033693 is 396330233543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 282048090724 + 63283942969 = 531082^2 + 251563^2 .

It is an emirp because it is prime and its reverse (396330233543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345332033693 - 2²⁰ = 345330985117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345332033623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172666016846 + 172666016847.

It is an arithmetic number, because the mean of its divisors is an integer number (172666016847).

Almost surely, 2^345332033693 is an apocalyptic number.

It is an amenable number.

345332033693 is a deficient number, since it is larger than the sum of its proper divisors (1).

345332033693 is an equidigital number, since it uses as much as digits as its factorization.

345332033693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1574640, while the sum is 44.

The spelling of 345332033693 in words is "three hundred forty-five billion, three hundred thirty-two million, thirty-three thousand, six hundred ninety-three".