34984477621 has 2 divisors, whose sum is σ = 34984477622. Its totient is φ = 34984477620.

The previous prime is 34984477607. The next prime is 34984477679. The reversal of 34984477621 is 12677448943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23009552721 + 11974924900 = 151689^2 + 109430^2 .

It is a cyclic number.

It is not a de Polignac number, because 34984477621 - 2⁹ = 34984477109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34984477601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17492238810 + 17492238811.

It is an arithmetic number, because the mean of its divisors is an integer number (17492238811).

Almost surely, 2^34984477621 is an apocalyptic number.

It is an amenable number.

34984477621 is a deficient number, since it is larger than the sum of its proper divisors (1).

34984477621 is an equidigital number, since it uses as much as digits as its factorization.

34984477621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8128512, while the sum is 55.

The spelling of 34984477621 in words is "thirty-four billion, nine hundred eighty-four million, four hundred seventy-seven thousand, six hundred twenty-one".