34454102021 has 4 divisors (see below), whose sum is σ = 34454570892. Its totient is φ = 34453633152.

The previous prime is 34454101999. The next prime is 34454102027. The reversal of 34454102021 is 12020145443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6117429796 + 28336672225 = 78214^2 + 168335^2 .

It is a cyclic number.

It is not a de Polignac number, because 34454102021 - 2¹⁰ = 34454100997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34454102027) 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, 97580 + ... + 280053.

It is an arithmetic number, because the mean of its divisors is an integer number (8613642723).

Almost surely, 2^34454102021 is an apocalyptic number.

It is an amenable number.

34454102021 is a deficient number, since it is larger than the sum of its proper divisors (468871).

34454102021 is an equidigital number, since it uses as much as digits as its factorization.

34454102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468870.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 34454102021 its reverse (12020145443), we get a palindrome (46474247464).

The spelling of 34454102021 in words is "thirty-four billion, four hundred fifty-four million, one hundred two thousand, twenty-one".