34135686784 has 16 divisors (see below), whose sum is σ = 68004688770. Its totient is φ = 17067843328.

The previous prime is 34135686751. The next prime is 34135686841. The reversal of 34135686784 is 48768653143.

It can be written as a sum of positive squares in only one way, i.e., 25510478400 + 8625208384 = 159720^2 + 92872^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×34135686784² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133342399 + ... + 133342654.

Almost surely, 2^34135686784 is an apocalyptic number.

It is an amenable number.

34135686784 is a deficient number, since it is larger than the sum of its proper divisors (33869001986).

34135686784 is an equidigital number, since it uses as much as digits as its factorization.

34135686784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266685067 (or 266685055 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 55.

The spelling of 34135686784 in words is "thirty-four billion, one hundred thirty-five million, six hundred eighty-six thousand, seven hundred eighty-four".