354645756443 has 16 divisors (see below), whose sum is σ = 391456385376. Its totient is φ = 318606704640.

The previous prime is 354645756427. The next prime is 354645756467. The reversal of 354645756443 is 344657546453.

It is a cyclic number.

It is not a de Polignac number, because 354645756443 - 2⁴ = 354645756427 is a prime.

It is a super-2 number, since 2×354645756443² (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 (354645753443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471155 + ... + 965027.

It is an arithmetic number, because the mean of its divisors is an integer number (24466024086).

Almost surely, 2^354645756443 is an apocalyptic number.

354645756443 is a deficient number, since it is larger than the sum of its proper divisors (36810628933).

354645756443 is a wasteful number, since it uses less digits than its factorization.

354645756443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494654.

The product of its digits is 72576000, while the sum is 56.

The spelling of 354645756443 in words is "three hundred fifty-four billion, six hundred forty-five million, seven hundred fifty-six thousand, four hundred forty-three".