34290590259721 has 2 divisors, whose sum is σ = 34290590259722. Its totient is φ = 34290590259720.

The previous prime is 34290590259719. The next prime is 34290590259763. The reversal of 34290590259721 is 12795209509243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20234127111696 + 14056463148025 = 4498236^2 + 3749195^2 .

It is a cyclic number.

It is not a de Polignac number, because 34290590259721 - 2¹ = 34290590259719 is a prime.

Together with 34290590259719, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (34290590259521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17145295129860 + 17145295129861.

It is an arithmetic number, because the mean of its divisors is an integer number (17145295129861).

Almost surely, 2^{34290590259721} is an apocalyptic number.

It is an amenable number.

34290590259721 is a deficient number, since it is larger than the sum of its proper divisors (1).

34290590259721 is an equidigital number, since it uses as much as digits as its factorization.

34290590259721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12247200, while the sum is 58.

The spelling of 34290590259721 in words is "thirty-four trillion, two hundred ninety billion, five hundred ninety million, two hundred fifty-nine thousand, seven hundred twenty-one".