34638554399 has 2 divisors, whose sum is σ = 34638554400. Its totient is φ = 34638554398.

The previous prime is 34638554389. The next prime is 34638554417. The reversal of 34638554399 is 99345583643.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34638554399 - 2³² = 30343587103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34638554309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17319277199 + 17319277200.

It is an arithmetic number, because the mean of its divisors is an integer number (17319277200).

Almost surely, 2^34638554399 is an apocalyptic number.

34638554399 is a deficient number, since it is larger than the sum of its proper divisors (1).

34638554399 is an equidigital number, since it uses as much as digits as its factorization.

34638554399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41990400, while the sum is 59.

The spelling of 34638554399 in words is "thirty-four billion, six hundred thirty-eight million, five hundred fifty-four thousand, three hundred ninety-nine".