345528019271 has 2 divisors, whose sum is σ = 345528019272. Its totient is φ = 345528019270.

The previous prime is 345528019259. The next prime is 345528019279. The reversal of 345528019271 is 172910825543.

It is a strong prime.

It is an emirp because it is prime and its reverse (172910825543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345528019271 - 2¹⁰ = 345528018247 is a prime.

It is a super-2 number, since 2×345528019271² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345528019279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172764009635 + 172764009636.

It is an arithmetic number, because the mean of its divisors is an integer number (172764009636).

Almost surely, 2^345528019271 is an apocalyptic number.

345528019271 is a deficient number, since it is larger than the sum of its proper divisors (1).

345528019271 is an equidigital number, since it uses as much as digits as its factorization.

345528019271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 345528019271 in words is "three hundred forty-five billion, five hundred twenty-eight million, nineteen thousand, two hundred seventy-one".