345472576081 has 2 divisors, whose sum is σ = 345472576082. Its totient is φ = 345472576080.

The previous prime is 345472576073. The next prime is 345472576157. The reversal of 345472576081 is 180675274543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 344117158225 + 1355417856 = 586615^2 + 36816^2 .

It is an emirp because it is prime and its reverse (180675274543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345472576081 - 2³ = 345472576073 is a prime.

It is a super-2 number, since 2×345472576081² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (345472576681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172736288040 + 172736288041.

It is an arithmetic number, because the mean of its divisors is an integer number (172736288041).

Almost surely, 2^345472576081 is an apocalyptic number.

It is an amenable number.

345472576081 is a deficient number, since it is larger than the sum of its proper divisors (1).

345472576081 is an equidigital number, since it uses as much as digits as its factorization.

345472576081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5644800, while the sum is 52.

The spelling of 345472576081 in words is "three hundred forty-five billion, four hundred seventy-two million, five hundred seventy-six thousand, eighty-one".