34418000821 has 4 divisors (see below), whose sum is σ = 35528258944. Its totient is φ = 33307742700.

The previous prime is 34418000797. The next prime is 34418000849. The reversal of 34418000821 is 12800081443.

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.

It is a cyclic number.

It is not a de Polignac number, because 34418000821 - 2⁷ = 34418000693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 1110258091 = 34418000821 / (3 + 4 + 4 + 1 + 8 + 0 + 0 + 0 + 8 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34418000891) 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, 555129015 + ... + 555129076.

It is an arithmetic number, because the mean of its divisors is an integer number (8882064736).

Almost surely, 2^34418000821 is an apocalyptic number.

34418000821 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

34418000821 is a deficient number, since it is larger than the sum of its proper divisors (1110258123).

34418000821 is a wasteful number, since it uses less digits than its factorization.

34418000821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110258122.

The product of its (nonzero) digits is 6144, while the sum is 31.

The spelling of 34418000821 in words is "thirty-four billion, four hundred eighteen million, eight hundred twenty-one", and thus it is an aban number.