34012454521 has 4 divisors (see below), whose sum is σ = 34442992000. Its totient is φ = 33581917044.

The previous prime is 34012454519. The next prime is 34012454551. The reversal of 34012454521 is 12545421043.

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 an emirpimes, since its reverse is a distinct semiprime: 12545421043 = 89 ⋅140959787.

It is a cyclic number.

It is not a de Polignac number, because 34012454521 - 2¹ = 34012454519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34012454551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215268621 + ... + 215268778.

It is an arithmetic number, because the mean of its divisors is an integer number (8610748000).

Almost surely, 2^34012454521 is an apocalyptic number.

It is an amenable number.

34012454521 is a deficient number, since it is larger than the sum of its proper divisors (430537479).

34012454521 is an equidigital number, since it uses as much as digits as its factorization.

34012454521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430537478.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 34012454521 its reverse (12545421043), we get a palindrome (46557875564).

The spelling of 34012454521 in words is "thirty-four billion, twelve million, four hundred fifty-four thousand, five hundred twenty-one".