34263155781 has 6 divisors (see below), whose sum is σ = 49491225030. Its totient is φ = 22842103848.

The previous prime is 34263155749. The next prime is 34263155803. The reversal of 34263155781 is 18755136243.

It is a happy number.

34263155781 is a `hidden beast` number, since 3 + 4 + 2 + 63 + 15 + 578 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21805247556 + 12457908225 = 147666^2 + 111615^2 .

It is not a de Polignac number, because 34263155781 - 2⁵ = 34263155749 is a prime.

It is a super-2 number, since 2×34263155781² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34263155281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1903508646 + ... + 1903508663.

It is an arithmetic number, because the mean of its divisors is an integer number (8248537505).

Almost surely, 2^34263155781 is an apocalyptic number.

It is an amenable number.

34263155781 is a deficient number, since it is larger than the sum of its proper divisors (15228069249).

34263155781 is a wasteful number, since it uses less digits than its factorization.

34263155781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3807017315 (or 3807017312 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The spelling of 34263155781 in words is "thirty-four billion, two hundred sixty-three million, one hundred fifty-five thousand, seven hundred eighty-one".