61534423030163 has 2 divisors, whose sum is σ = 61534423030164. Its totient is φ = 61534423030162.

The previous prime is 61534423030147. The next prime is 61534423030237. The reversal of 61534423030163 is 36103032443516.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61534423030163 - 2⁴ = 61534423030147 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61534423030163.

It is not a weakly prime, because it can be changed into another prime (61534423030063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30767211515081 + 30767211515082.

It is an arithmetic number, because the mean of its divisors is an integer number (30767211515082).

Almost surely, 2^{61534423030163} is an apocalyptic number.

61534423030163 is a deficient number, since it is larger than the sum of its proper divisors (1).

61534423030163 is an equidigital number, since it uses as much as digits as its factorization.

61534423030163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 41.

Adding to 61534423030163 its reverse (36103032443516), we get a palindrome (97637455473679).

The spelling of 61534423030163 in words is "sixty-one trillion, five hundred thirty-four billion, four hundred twenty-three million, thirty thousand, one hundred sixty-three".