47506551401 has 2 divisors, whose sum is σ = 47506551402. Its totient is φ = 47506551400.

The previous prime is 47506551397. The next prime is 47506551437. The reversal of 47506551401 is 10415560574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46154077225 + 1352474176 = 214835^2 + 36776^2 .

It is a cyclic number.

It is not a de Polignac number, because 47506551401 - 2² = 47506551397 is a prime.

It is not a weakly prime, because it can be changed into another prime (47506521401) 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 as a sum of consecutive naturals, namely, 23753275700 + 23753275701.

It is an arithmetic number, because the mean of its divisors is an integer number (23753275701).

Almost surely, 2^47506551401 is an apocalyptic number.

It is an amenable number.

47506551401 is a deficient number, since it is larger than the sum of its proper divisors (1).

47506551401 is an equidigital number, since it uses as much as digits as its factorization.

47506551401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84000, while the sum is 38.

The spelling of 47506551401 in words is "forty-seven billion, five hundred six million, five hundred fifty-one thousand, four hundred one".