345675691399 has 2 divisors, whose sum is σ = 345675691400. Its totient is φ = 345675691398.

The previous prime is 345675691391. The next prime is 345675691423. The reversal of 345675691399 is 993196576543.

It is a weak prime.

It is an emirp because it is prime and its reverse (993196576543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345675691399 - 2³ = 345675691391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345675691391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172837845699 + 172837845700.

It is an arithmetic number, because the mean of its divisors is an integer number (172837845700).

Almost surely, 2^345675691399 is an apocalyptic number.

345675691399 is a deficient number, since it is larger than the sum of its proper divisors (1).

345675691399 is an equidigital number, since it uses as much as digits as its factorization.

345675691399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165337200, while the sum is 67.

The spelling of 345675691399 in words is "three hundred forty-five billion, six hundred seventy-five million, six hundred ninety-one thousand, three hundred ninety-nine".