41520129947 has 2 divisors, whose sum is σ = 41520129948. Its totient is φ = 41520129946.

The previous prime is 41520129883. The next prime is 41520129953. The reversal of 41520129947 is 74992102514.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41520129947 - 2⁶ = 41520129883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 41520129898 and 41520129907.

It is not a weakly prime, because it can be changed into another prime (41520129997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20760064973 + 20760064974.

It is an arithmetic number, because the mean of its divisors is an integer number (20760064974).

Almost surely, 2^41520129947 is an apocalyptic number.

41520129947 is a deficient number, since it is larger than the sum of its proper divisors (1).

41520129947 is an equidigital number, since it uses as much as digits as its factorization.

41520129947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 41520129947 in words is "forty-one billion, five hundred twenty million, one hundred twenty-nine thousand, nine hundred forty-seven".