354445374663 has 28 divisors (see below), whose sum is σ = 534685413240. Its totient is φ = 234847163376.

The previous prime is 354445374629. The next prime is 354445374719. The reversal of 354445374663 is 366473544453.

It is a happy number.

354445374663 is a `hidden beast` number, since 3 + 5 + 4 + 4 + 4 + 537 + 46 + 63 = 666.

It is not a de Polignac number, because 354445374663 - 2¹⁸ = 354445112519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354445394663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1372608 + ... + 1610261.

Almost surely, 2^354445374663 is an apocalyptic number.

354445374663 is a deficient number, since it is larger than the sum of its proper divisors (180240038577).

354445374663 is an equidigital number, since it uses as much as digits as its factorization.

354445374663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983050 (or 2983035 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 54.

The spelling of 354445374663 in words is "three hundred fifty-four billion, four hundred forty-five million, three hundred seventy-four thousand, six hundred sixty-three".