34193857243 has 64 divisors (see below), whose sum is σ = 45847674880. Its totient is φ = 24739344000.

The previous prime is 34193857231. The next prime is 34193857249. The reversal of 34193857243 is 34275839143.

It is not a de Polignac number, because 34193857243 - 2²¹ = 34191760091 is a prime.

It is a super-2 number, since 2×34193857243² (a number of 22 digits) contains 22 as substring.

Its product of digits (2177280) is a multiple of the sum of its prime divisors (1728).

It is not an unprimeable number, because it can be changed into a prime (34193857249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32534068 + ... + 32535118.

It is an arithmetic number, because the mean of its divisors is an integer number (716369920).

Almost surely, 2^34193857243 is an apocalyptic number.

34193857243 is a deficient number, since it is larger than the sum of its proper divisors (11653817637).

34193857243 is a wasteful number, since it uses less digits than its factorization.

34193857243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728.

The product of its digits is 2177280, while the sum is 49.

The spelling of 34193857243 in words is "thirty-four billion, one hundred ninety-three million, eight hundred fifty-seven thousand, two hundred forty-three".