354321023351993 has 2 divisors, whose sum is σ = 354321023351994. Its totient is φ = 354321023351992.

The previous prime is 354321023351989. The next prime is 354321023352113. The reversal of 354321023351993 is 399153320123453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337208877109504 + 17112146242489 = 18363248^2 + 4136683^2 .

It is a cyclic number.

It is not a de Polignac number, because 354321023351993 - 2² = 354321023351989 is a prime.

It is not a weakly prime, because it can be changed into another prime (354321023350993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177160511675996 + 177160511675997.

It is an arithmetic number, because the mean of its divisors is an integer number (177160511675997).

Almost surely, 2^{354321023351993} is an apocalyptic number.

It is an amenable number.

354321023351993 is a deficient number, since it is larger than the sum of its proper divisors (1).

354321023351993 is an equidigital number, since it uses as much as digits as its factorization.

354321023351993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7873200, while the sum is 53.

The spelling of 354321023351993 in words is "three hundred fifty-four trillion, three hundred twenty-one billion, twenty-three million, three hundred fifty-one thousand, nine hundred ninety-three".