34073243557 has 4 divisors (see below), whose sum is σ = 35248183020. Its totient is φ = 32898304096.

The previous prime is 34073243551. The next prime is 34073243597. The reversal of 34073243557 is 75534237043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17660815236 + 16412428321 = 132894^2 + 128111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34073243557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34073243551) 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, 587469688 + ... + 587469745.

It is an arithmetic number, because the mean of its divisors is an integer number (8812045755).

Almost surely, 2^34073243557 is an apocalyptic number.

It is an amenable number.

34073243557 is a deficient number, since it is larger than the sum of its proper divisors (1174939463).

34073243557 is a wasteful number, since it uses less digits than its factorization.

34073243557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174939462.

The product of its (nonzero) digits is 1058400, while the sum is 43.

The spelling of 34073243557 in words is "thirty-four billion, seventy-three million, two hundred forty-three thousand, five hundred fifty-seven".