47497988841 has 4 divisors (see below), whose sum is σ = 63330651792. Its totient is φ = 31665325892.

The previous prime is 47497988803. The next prime is 47497988891. The reversal of 47497988841 is 14888979474.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47497988841 - 2²⁷ = 47363771113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47497988801) 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, 7916331471 + ... + 7916331476.

It is an arithmetic number, because the mean of its divisors is an integer number (15832662948).

Almost surely, 2^47497988841 is an apocalyptic number.

It is an amenable number.

47497988841 is a deficient number, since it is larger than the sum of its proper divisors (15832662951).

47497988841 is a wasteful number, since it uses less digits than its factorization.

47497988841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15832662950.

The product of its digits is 130056192, while the sum is 69.

The spelling of 47497988841 in words is "forty-seven billion, four hundred ninety-seven million, nine hundred eighty-eight thousand, eight hundred forty-one".