421105511534433 has 16 divisors (see below), whose sum is σ = 612526474670016. Its totient is φ = 255211558626240.

The previous prime is 421105511534431. The next prime is 421105511534497. The reversal of 421105511534433 is 334435115501124.

It is not a de Polignac number, because 421105511534433 - 2¹ = 421105511534431 is a prime.

It is a super-3 number, since 3×421105511534433³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (421105511534431) 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, 95381410 + ... + 99698667.

It is an arithmetic number, because the mean of its divisors is an integer number (38282904666876).

Almost surely, 2^{421105511534433} is an apocalyptic number.

It is an amenable number.

421105511534433 is a deficient number, since it is larger than the sum of its proper divisors (191420963135583).

421105511534433 is a wasteful number, since it uses less digits than its factorization.

421105511534433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195145504.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 421105511534433 in words is "four hundred twenty-one trillion, one hundred five billion, five hundred eleven million, five hundred thirty-four thousand, four hundred thirty-three".