354555535343421 has 16 divisors (see below), whose sum is σ = 477342106042880. Its totient is φ = 234069773045040.

The previous prime is 354555535343411. The next prime is 354555535343489. The reversal of 354555535343421 is 124343535555453.

It is a happy number.

It is not a de Polignac number, because 354555535343421 - 2⁵ = 354555535343389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354555535343411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1363735 + ... + 26664036.

It is an arithmetic number, because the mean of its divisors is an integer number (29833881627680).

Almost surely, 2^{354555535343421} is an apocalyptic number.

It is an amenable number.

354555535343421 is a deficient number, since it is larger than the sum of its proper divisors (122786570699459).

354555535343421 is a wasteful number, since it uses less digits than its factorization.

354555535343421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28068816.

The product of its digits is 162000000, while the sum is 57.

The spelling of 354555535343421 in words is "three hundred fifty-four trillion, five hundred fifty-five billion, five hundred thirty-five million, three hundred forty-three thousand, four hundred twenty-one".