354771486961 has 2 divisors, whose sum is σ = 354771486962. Its totient is φ = 354771486960.

The previous prime is 354771486947. The next prime is 354771486989. The reversal of 354771486961 is 169684177453.

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., 236944059361 + 117827427600 = 486769^2 + 343260^2 .

It is a cyclic number.

It is not a de Polignac number, because 354771486961 - 2⁷ = 354771486833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 354771486961.

It is not a weakly prime, because it can be changed into another prime (354771486361) 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, 177385743480 + 177385743481.

It is an arithmetic number, because the mean of its divisors is an integer number (177385743481).

Almost surely, 2^354771486961 is an apocalyptic number.

It is an amenable number.

354771486961 is a deficient number, since it is larger than the sum of its proper divisors (1).

354771486961 is an equidigital number, since it uses as much as digits as its factorization.

354771486961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30481920, while the sum is 61.

The spelling of 354771486961 in words is "three hundred fifty-four billion, seven hundred seventy-one million, four hundred eighty-six thousand, nine hundred sixty-one".