354729881377 has 16 divisors (see below), whose sum is σ = 366356551680. Its totient is φ = 343320868800.

The previous prime is 354729881371. The next prime is 354729881417. The reversal of 354729881377 is 773188927453.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354729881377 is a prime.

It is a super-2 number, since 2×354729881377² (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 (354729881371) 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 15 ways as a sum of consecutive naturals, for example, 1286352 + ... + 1537582.

It is an arithmetic number, because the mean of its divisors is an integer number (22897284480).

Almost surely, 2^354729881377 is an apocalyptic number.

It is an amenable number.

354729881377 is a deficient number, since it is larger than the sum of its proper divisors (11626670303).

354729881377 is a wasteful number, since it uses less digits than its factorization.

354729881377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251664.

The product of its digits is 71124480, while the sum is 64.

The spelling of 354729881377 in words is "three hundred fifty-four billion, seven hundred twenty-nine million, eight hundred eighty-one thousand, three hundred seventy-seven".