34729157181 has 4 divisors (see below), whose sum is σ = 46305542912. Its totient is φ = 23152771452.

The previous prime is 34729157179. The next prime is 34729157191. The reversal of 34729157181 is 18175192743.

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 not a de Polignac number, because 34729157181 - 2¹ = 34729157179 is a prime.

It is a super-2 number, since 2×34729157181² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34729157181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34729157191) 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, 5788192861 + ... + 5788192866.

It is an arithmetic number, because the mean of its divisors is an integer number (11576385728).

Almost surely, 2^34729157181 is an apocalyptic number.

It is an amenable number.

34729157181 is a deficient number, since it is larger than the sum of its proper divisors (11576385731).

34729157181 is a wasteful number, since it uses less digits than its factorization.

34729157181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11576385730.

The product of its digits is 423360, while the sum is 48.

The spelling of 34729157181 in words is "thirty-four billion, seven hundred twenty-nine million, one hundred fifty-seven thousand, one hundred eighty-one".