34204121554 has 4 divisors (see below), whose sum is σ = 51306182334. Its totient is φ = 17102060776.

The previous prime is 34204121551. The next prime is 34204121573. The reversal of 34204121554 is 45512140243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45512140243 = 127 ⋅358363309.

It can be written as a sum of positive squares in only one way, i.e., 24173097529 + 10031024025 = 155477^2 + 100155^2 .

It is not an unprimeable number, because it can be changed into a prime (34204121551) 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 as a sum of consecutive naturals, namely, 8551030387 + ... + 8551030390.

Almost surely, 2^34204121554 is an apocalyptic number.

34204121554 is a deficient number, since it is larger than the sum of its proper divisors (17102060780).

34204121554 is a wasteful number, since it uses less digits than its factorization.

34204121554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17102060779.

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

Adding to 34204121554 its reverse (45512140243), we get a palindrome (79716261797).

The spelling of 34204121554 in words is "thirty-four billion, two hundred four million, one hundred twenty-one thousand, five hundred fifty-four".