47701788481 has 4 divisors (see below), whose sum is σ = 47702924500. Its totient is φ = 47700652464.

The previous prime is 47701788427. The next prime is 47701788487. The reversal of 47701788481 is 18488710774.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38802696256 + 8899092225 = 196984^2 + 94335^2 .

It is a cyclic number.

It is not a de Polignac number, because 47701788481 - 2¹⁵ = 47701755713 is a prime.

It is a super-2 number, since 2×47701788481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47701788487) 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 in 3 ways as a sum of consecutive naturals, for example, 502506 + ... + 589843.

It is an arithmetic number, because the mean of its divisors is an integer number (11925731125).

Almost surely, 2^47701788481 is an apocalyptic number.

It is an amenable number.

47701788481 is a deficient number, since it is larger than the sum of its proper divisors (1136019).

47701788481 is a wasteful number, since it uses less digits than its factorization.

47701788481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136018.

The product of its (nonzero) digits is 2809856, while the sum is 55.

The spelling of 47701788481 in words is "forty-seven billion, seven hundred one million, seven hundred eighty-eight thousand, four hundred eighty-one".