34554416521 has 2 divisors, whose sum is σ = 34554416522. Its totient is φ = 34554416520.

The previous prime is 34554416503. The next prime is 34554416653. The reversal of 34554416521 is 12561445543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26679628921 + 7874787600 = 163339^2 + 88740^2 .

It is a cyclic number.

It is not a de Polignac number, because 34554416521 - 2⁵ = 34554416489 is a prime.

It is a super-2 number, since 2×34554416521² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34554416821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17277208260 + 17277208261.

It is an arithmetic number, because the mean of its divisors is an integer number (17277208261).

Almost surely, 2^34554416521 is an apocalyptic number.

It is an amenable number.

34554416521 is a deficient number, since it is larger than the sum of its proper divisors (1).

34554416521 is an equidigital number, since it uses as much as digits as its factorization.

34554416521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288000, while the sum is 40.

The spelling of 34554416521 in words is "thirty-four billion, five hundred fifty-four million, four hundred sixteen thousand, five hundred twenty-one".