34554140021 has 2 divisors, whose sum is σ = 34554140022. Its totient is φ = 34554140020.

The previous prime is 34554140009. The next prime is 34554140029. The reversal of 34554140021 is 12004145543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20132772100 + 14421367921 = 141890^2 + 120089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34554140021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34554140029) 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, 17277070010 + 17277070011.

It is an arithmetic number, because the mean of its divisors is an integer number (17277070011).

Almost surely, 2^34554140021 is an apocalyptic number.

It is an amenable number.

34554140021 is a deficient number, since it is larger than the sum of its proper divisors (1).

34554140021 is an equidigital number, since it uses as much as digits as its factorization.

34554140021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 34554140021 its reverse (12004145543), we get a palindrome (46558285564).

The spelling of 34554140021 in words is "thirty-four billion, five hundred fifty-four million, one hundred forty thousand, twenty-one".