34854135973 has 4 divisors (see below), whose sum is σ = 34861192128. Its totient is φ = 34847079820.

The previous prime is 34854135949. The next prime is 34854135989. The reversal of 34854135973 is 37953145843.

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, and also an emirpimes, since its reverse is a distinct semiprime: 37953145843 = 29 ⋅1308729167.

It is a cyclic number.

It is not a de Polignac number, because 34854135973 - 2¹⁷ = 34854004901 is a prime.

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 34854135973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34854136973) 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 3 ways as a sum of consecutive naturals, for example, 3520663 + ... + 3530548.

It is an arithmetic number, because the mean of its divisors is an integer number (8715298032).

Almost surely, 2^34854135973 is an apocalyptic number.

It is an amenable number.

34854135973 is a deficient number, since it is larger than the sum of its proper divisors (7056155).

34854135973 is an equidigital number, since it uses as much as digits as its factorization.

34854135973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7056154.

The product of its digits is 5443200, while the sum is 52.

The spelling of 34854135973 in words is "thirty-four billion, eight hundred fifty-four million, one hundred thirty-five thousand, nine hundred seventy-three".