34491157943 has 8 divisors (see below), whose sum is σ = 37702128000. Its totient is φ = 31292756280.

The previous prime is 34491157871. The next prime is 34491158011. The reversal of 34491157943 is 34975119443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34491157943 - 2²² = 34486963639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34491157891 and 34491157900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34491157543) 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 7 ways as a sum of consecutive naturals, for example, 3136355 + ... + 3147332.

It is an arithmetic number, because the mean of its divisors is an integer number (4712766000).

Almost surely, 2^34491157943 is an apocalyptic number.

34491157943 is a deficient number, since it is larger than the sum of its proper divisors (3210970057).

34491157943 is a wasteful number, since it uses less digits than its factorization.

34491157943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6284197.

The product of its digits is 1632960, while the sum is 50.

The spelling of 34491157943 in words is "thirty-four billion, four hundred ninety-one million, one hundred fifty-seven thousand, nine hundred forty-three".