34806886921 has 2 divisors, whose sum is σ = 34806886922. Its totient is φ = 34806886920.

The previous prime is 34806886909. The next prime is 34806886967. The reversal of 34806886921 is 12968860843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34106702400 + 700184521 = 184680^2 + 26461^2 .

It is a cyclic number.

It is not a de Polignac number, because 34806886921 - 2¹⁷ = 34806755849 is a prime.

It is not a weakly prime, because it can be changed into another prime (34806886981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17403443460 + 17403443461.

It is an arithmetic number, because the mean of its divisors is an integer number (17403443461).

Almost surely, 2^34806886921 is an apocalyptic number.

It is an amenable number.

34806886921 is a deficient number, since it is larger than the sum of its proper divisors (1).

34806886921 is an equidigital number, since it uses as much as digits as its factorization.

34806886921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3981312, while the sum is 55.

The spelling of 34806886921 in words is "thirty-four billion, eight hundred six million, eight hundred eighty-six thousand, nine hundred twenty-one".