34400110021 has 4 divisors (see below), whose sum is σ = 34422008544. Its totient is φ = 34378211500.

The previous prime is 34400110013. The next prime is 34400110027. The reversal of 34400110021 is 12001100443.

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: 12001100443 = 29581 ⋅405703.

It is a cyclic number.

It is not a de Polignac number, because 34400110021 - 2³ = 34400110013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34400109977 and 34400110004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34400110027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10946905 + ... + 10950046.

It is an arithmetic number, because the mean of its divisors is an integer number (8605502136).

Almost surely, 2^34400110021 is an apocalyptic number.

It is an amenable number.

34400110021 is a deficient number, since it is larger than the sum of its proper divisors (21898523).

34400110021 is a wasteful number, since it uses less digits than its factorization.

34400110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21898522.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 34400110021 its reverse (12001100443), we get a palindrome (46401210464).

The spelling of 34400110021 in words is "thirty-four billion, four hundred million, one hundred ten thousand, twenty-one".