30534343553491 has 2 divisors, whose sum is σ = 30534343553492. Its totient is φ = 30534343553490.

The previous prime is 30534343553443. The next prime is 30534343553531. The reversal of 30534343553491 is 19435534343503.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30534343553491 is a prime.

It is a super-2 number, since 2×30534343553491² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30534343553401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15267171776745 + 15267171776746.

It is an arithmetic number, because the mean of its divisors is an integer number (15267171776746).

Almost surely, 2^{30534343553491} is an apocalyptic number.

30534343553491 is a deficient number, since it is larger than the sum of its proper divisors (1).

30534343553491 is an equidigital number, since it uses as much as digits as its factorization.

30534343553491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496000, while the sum is 52.

Adding to 30534343553491 its reverse (19435534343503), we get a palindrome (49969877896994).

The spelling of 30534343553491 in words is "thirty trillion, five hundred thirty-four billion, three hundred forty-three million, five hundred fifty-three thousand, four hundred ninety-one".