354405645331 has 4 divisors (see below), whose sum is σ = 356527834992. Its totient is φ = 352283455672.

The previous prime is 354405645313. The next prime is 354405645337. The reversal of 354405645331 is 133546504453.

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

It is a cyclic number.

It is not a de Polignac number, because 354405645331 - 2¹¹ = 354405643283 is a prime.

It is a super-2 number, since 2×354405645331² (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 (354405645337) 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 in 3 ways as a sum of consecutive naturals, for example, 1061094580 + ... + 1061094913.

It is an arithmetic number, because the mean of its divisors is an integer number (89131958748).

Almost surely, 2^354405645331 is an apocalyptic number.

354405645331 is a deficient number, since it is larger than the sum of its proper divisors (2122189661).

354405645331 is a wasteful number, since it uses less digits than its factorization.

354405645331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122189660.

The product of its (nonzero) digits is 1296000, while the sum is 43.

The spelling of 354405645331 in words is "three hundred fifty-four billion, four hundred five million, six hundred forty-five thousand, three hundred thirty-one".