34505738639 has 2 divisors, whose sum is σ = 34505738640. Its totient is φ = 34505738638.

The previous prime is 34505738629. The next prime is 34505738689. The reversal of 34505738639 is 93683750543.

It is a weak prime.

It is an emirp because it is prime and its reverse (93683750543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34505738639 - 2⁸ = 34505738383 is a prime.

It is a super-3 number, since 3×34505738639³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34505738609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17252869319 + 17252869320.

It is an arithmetic number, because the mean of its divisors is an integer number (17252869320).

Almost surely, 2^34505738639 is an apocalyptic number.

34505738639 is a deficient number, since it is larger than the sum of its proper divisors (1).

34505738639 is an equidigital number, since it uses as much as digits as its factorization.

34505738639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8164800, while the sum is 53.

The spelling of 34505738639 in words is "thirty-four billion, five hundred five million, seven hundred thirty-eight thousand, six hundred thirty-nine".