354445423481 has 4 divisors (see below), whose sum is σ = 375295154292. Its totient is φ = 333595692672.

The previous prime is 354445423477. The next prime is 354445423531. The reversal of 354445423481 is 184324544453.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 213204751081 + 141240672400 = 461741^2 + 375820^2 .

It is a cyclic number.

It is not a de Polignac number, because 354445423481 - 2² = 354445423477 is a prime.

It is a super-2 number, since 2×354445423481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354445423441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10424865380 + ... + 10424865413.

It is an arithmetic number, because the mean of its divisors is an integer number (93823788573).

Almost surely, 2^354445423481 is an apocalyptic number.

It is an amenable number.

354445423481 is a deficient number, since it is larger than the sum of its proper divisors (20849730811).

354445423481 is a wasteful number, since it uses less digits than its factorization.

354445423481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20849730810.

The product of its digits is 3686400, while the sum is 47.

The spelling of 354445423481 in words is "three hundred fifty-four billion, four hundred forty-five million, four hundred twenty-three thousand, four hundred eighty-one".