34501947881 has 2 divisors, whose sum is σ = 34501947882. Its totient is φ = 34501947880.

The previous prime is 34501947863. The next prime is 34501947919. The reversal of 34501947881 is 18874910543.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34304966656 + 196981225 = 185216^2 + 14035^2 .

It is a cyclic number.

It is not a de Polignac number, because 34501947881 - 2¹⁸ = 34501685737 is a prime.

It is a super-3 number, since 3×34501947881³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (34501947841) 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, 17250973940 + 17250973941.

It is an arithmetic number, because the mean of its divisors is an integer number (17250973941).

Almost surely, 2^34501947881 is an apocalyptic number.

It is an amenable number.

34501947881 is a deficient number, since it is larger than the sum of its proper divisors (1).

34501947881 is an equidigital number, since it uses as much as digits as its factorization.

34501947881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 34501947881 in words is "thirty-four billion, five hundred one million, nine hundred forty-seven thousand, eight hundred eighty-one".