34591393939 has 4 divisors (see below), whose sum is σ = 36411993640. Its totient is φ = 32770794240.

The previous prime is 34591393937. The next prime is 34591393957. The reversal of 34591393939 is 93939319543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34591393939 - 2¹ = 34591393937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34591393933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910299822 + ... + 910299859.

It is an arithmetic number, because the mean of its divisors is an integer number (9102998410).

Almost surely, 2^34591393939 is an apocalyptic number.

34591393939 is a deficient number, since it is larger than the sum of its proper divisors (1820599701).

34591393939 is a wasteful number, since it uses less digits than its factorization.

34591393939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820599700.

The product of its digits is 10628820, while the sum is 58.

The spelling of 34591393939 in words is "thirty-four billion, five hundred ninety-one million, three hundred ninety-three thousand, nine hundred thirty-nine".