350455120243981 has 2 divisors, whose sum is σ = 350455120243982. Its totient is φ = 350455120243980.

The previous prime is 350455120243961. The next prime is 350455120244113. The reversal of 350455120243981 is 189342021554053.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 264592027701225 + 85863092542756 = 16266285^2 + 9266234^2 .

It is a cyclic number.

It is not a de Polignac number, because 350455120243981 - 2³⁹ = 349905364430093 is a prime.

It is a super-2 number, since 2×350455120243981² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (350455120243931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175227560121990 + 175227560121991.

It is an arithmetic number, because the mean of its divisors is an integer number (175227560121991).

Almost surely, 2^{350455120243981} is an apocalyptic number.

It is an amenable number.

350455120243981 is a deficient number, since it is larger than the sum of its proper divisors (1).

350455120243981 is an equidigital number, since it uses as much as digits as its factorization.

350455120243981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184000, while the sum is 52.

The spelling of 350455120243981 in words is "three hundred fifty trillion, four hundred fifty-five billion, one hundred twenty million, two hundred forty-three thousand, nine hundred eighty-one".