34234634155421 has 32 divisors (see below), whose sum is σ = 41051604142080. Its totient is φ = 27928237176000.

The previous prime is 34234634155411. The next prime is 34234634155439. The reversal of 34234634155421 is 12455143643243.

It is not a de Polignac number, because 34234634155421 - 2⁶ = 34234634155357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34234634155411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84358646 + ... + 84763496.

It is an arithmetic number, because the mean of its divisors is an integer number (1282862629440).

Almost surely, 2^{34234634155421} is an apocalyptic number.

It is an amenable number.

34234634155421 is a deficient number, since it is larger than the sum of its proper divisors (6816969986659).

34234634155421 is a wasteful number, since it uses less digits than its factorization.

34234634155421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410825.

The product of its digits is 4147200, while the sum is 47.

Adding to 34234634155421 its reverse (12455143643243), we get a palindrome (46689777798664).

The spelling of 34234634155421 in words is "thirty-four trillion, two hundred thirty-four billion, six hundred thirty-four million, one hundred fifty-five thousand, four hundred twenty-one".