34491157543 has 2 divisors, whose sum is σ = 34491157544. Its totient is φ = 34491157542.

The previous prime is 34491157531. The next prime is 34491157553. The reversal of 34491157543 is 34575119443.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34491157543 - 2⁹ = 34491157031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34491157493 and 34491157502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34491157553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17245578771 + 17245578772.

It is an arithmetic number, because the mean of its divisors is an integer number (17245578772).

Almost surely, 2^34491157543 is an apocalyptic number.

34491157543 is a deficient number, since it is larger than the sum of its proper divisors (1).

34491157543 is an equidigital number, since it uses as much as digits as its factorization.

34491157543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 46.

The spelling of 34491157543 in words is "thirty-four billion, four hundred ninety-one million, one hundred fifty-seven thousand, five hundred forty-three".