47399559523457 has 2 divisors, whose sum is σ = 47399559523458. Its totient is φ = 47399559523456.

The previous prime is 47399559523441. The next prime is 47399559523487. The reversal of 47399559523457 is 75432595599374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38038352290576 + 9361207232881 = 6167524^2 + 3059609^2 .

It is a cyclic number.

It is not a de Polignac number, because 47399559523457 - 2⁴ = 47399559523441 is a prime.

It is not a weakly prime, because it can be changed into another prime (47399559523487) 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, 23699779761728 + 23699779761729.

It is an arithmetic number, because the mean of its divisors is an integer number (23699779761729).

Almost surely, 2^{47399559523457} is an apocalyptic number.

It is an amenable number.

47399559523457 is a deficient number, since it is larger than the sum of its proper divisors (1).

47399559523457 is an equidigital number, since it uses as much as digits as its factorization.

47399559523457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6429780000, while the sum is 77.

The spelling of 47399559523457 in words is "forty-seven trillion, three hundred ninety-nine billion, five hundred fifty-nine million, five hundred twenty-three thousand, four hundred fifty-seven".