334554545021 has 4 divisors (see below), whose sum is σ = 334555716000. Its totient is φ = 334553374044.

The previous prime is 334554544969. The next prime is 334554545111. The reversal of 334554545021 is 120545455433.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 120545455433 = 13 ⋅9272727341.

It is a cyclic number.

It is not a de Polignac number, because 334554545021 - 2¹⁸ = 334554282877 is a prime.

It is a super-2 number, since 2×334554545021² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 334554545021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (334554541021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156560 + ... + 832838.

It is an arithmetic number, because the mean of its divisors is an integer number (83638929000).

Almost surely, 2^334554545021 is an apocalyptic number.

It is an amenable number.

334554545021 is a deficient number, since it is larger than the sum of its proper divisors (1170979).

334554545021 is an equidigital number, since it uses as much as digits as its factorization.

334554545021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170978.

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 334554545021 in words is "three hundred thirty-four billion, five hundred fifty-four million, five hundred forty-five thousand, twenty-one".