34871689393 has 4 divisors (see below), whose sum is σ = 34872274800. Its totient is φ = 34871103988.

The previous prime is 34871689381. The next prime is 34871689429. The reversal of 34871689393 is 39398617843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34871689393 - 2¹⁷ = 34871558321 is a prime.

It is a super-2 number, since 2×34871689393² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34871659393) 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, 191743 + ... + 326356.

It is an arithmetic number, because the mean of its divisors is an integer number (8718068700).

Almost surely, 2^34871689393 is an apocalyptic number.

It is an amenable number.

34871689393 is a deficient number, since it is larger than the sum of its proper divisors (585407).

34871689393 is an equidigital number, since it uses as much as digits as its factorization.

34871689393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585406.

The product of its digits is 23514624, while the sum is 61.

The spelling of 34871689393 in words is "thirty-four billion, eight hundred seventy-one million, six hundred eighty-nine thousand, three hundred ninety-three".