354280318373 has 2 divisors, whose sum is σ = 354280318374. Its totient is φ = 354280318372.

The previous prime is 354280318351. The next prime is 354280318411. The reversal of 354280318373 is 373813082453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270933783169 + 83346535204 = 520513^2 + 288698^2 .

It is an emirp because it is prime and its reverse (373813082453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354280318373 - 2¹² = 354280314277 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354210318373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177140159186 + 177140159187.

It is an arithmetic number, because the mean of its divisors is an integer number (177140159187).

Almost surely, 2^354280318373 is an apocalyptic number.

It is an amenable number.

354280318373 is a deficient number, since it is larger than the sum of its proper divisors (1).

354280318373 is an equidigital number, since it uses as much as digits as its factorization.

354280318373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 354280318373 in words is "three hundred fifty-four billion, two hundred eighty million, three hundred eighteen thousand, three hundred seventy-three".