47941919 has 2 divisors, whose sum is σ = 47941920. Its totient is φ = 47941918.

The previous prime is 47941909. The next prime is 47941931. The reversal of 47941919 is 91914974.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47941919 - 2¹² = 47937823 is a prime.

It is a super-2 number, since 2×47941919² = 4596855194805122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47941919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47941909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23970959 + 23970960.

It is an arithmetic number, because the mean of its divisors is an integer number (23970960).

Almost surely, 2^47941919 is an apocalyptic number.

47941919 is a deficient number, since it is larger than the sum of its proper divisors (1).

47941919 is an equidigital number, since it uses as much as digits as its factorization.

47941919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 44.

The square root of 47941919 is about 6924.0103263932. The cubic root of 47941919 is about 363.2774758187.

The spelling of 47941919 in words is "forty-seven million, nine hundred forty-one thousand, nine hundred nineteen".