348735889081 has 2 divisors, whose sum is σ = 348735889082. Its totient is φ = 348735889080.

The previous prime is 348735889043. The next prime is 348735889111. The reversal of 348735889081 is 180988537843.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 281341133056 + 67394756025 = 530416^2 + 259605^2 .

It is a cyclic number.

It is not a de Polignac number, because 348735889081 - 2³⁷ = 211296935609 is a prime.

It is a super-2 number, since 2×348735889081² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (348735887081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174367944540 + 174367944541.

It is an arithmetic number, because the mean of its divisors is an integer number (174367944541).

Almost surely, 2^348735889081 is an apocalyptic number.

It is an amenable number.

348735889081 is a deficient number, since it is larger than the sum of its proper divisors (1).

348735889081 is an equidigital number, since it uses as much as digits as its factorization.

348735889081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46448640, while the sum is 64.

The spelling of 348735889081 in words is "three hundred forty-eight billion, seven hundred thirty-five million, eight hundred eighty-nine thousand, eighty-one".