34491621212639 has 2 divisors, whose sum is σ = 34491621212640. Its totient is φ = 34491621212638.

The previous prime is 34491621212621. The next prime is 34491621212767. The reversal of 34491621212639 is 93621212619443.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34491621212639 - 2¹⁶ = 34491621147103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34491621211639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17245810606319 + 17245810606320.

It is an arithmetic number, because the mean of its divisors is an integer number (17245810606320).

Almost surely, 2^{34491621212639} is an apocalyptic number.

34491621212639 is a deficient number, since it is larger than the sum of its proper divisors (1).

34491621212639 is an equidigital number, since it uses as much as digits as its factorization.

34491621212639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3359232, while the sum is 53.

The spelling of 34491621212639 in words is "thirty-four trillion, four hundred ninety-one billion, six hundred twenty-one million, two hundred twelve thousand, six hundred thirty-nine".