34255710781 has 16 divisors (see below), whose sum is σ = 35586936000. Its totient is φ = 32949751680.

The previous prime is 34255710757. The next prime is 34255710809. The reversal of 34255710781 is 18701755243.

It is not a de Polignac number, because 34255710781 - 2⁷ = 34255710653 is a prime.

It is a super-2 number, since 2×34255710781² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34255714781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1688011 + ... + 1708183.

It is an arithmetic number, because the mean of its divisors is an integer number (2224183500).

Almost surely, 2^34255710781 is an apocalyptic number.

It is an amenable number.

34255710781 is a deficient number, since it is larger than the sum of its proper divisors (1331225219).

34255710781 is a wasteful number, since it uses less digits than its factorization.

34255710781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20796.

The product of its (nonzero) digits is 235200, while the sum is 43.

The spelling of 34255710781 in words is "thirty-four billion, two hundred fifty-five million, seven hundred ten thousand, seven hundred eighty-one".