47326919 has 2 divisors, whose sum is σ = 47326920. Its totient is φ = 47326918.

The previous prime is 47326913. The next prime is 47326921. The reversal of 47326919 is 91962374.

47326919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47326919 is a prime.

It is a super-2 number, since 2×47326919² = 4479674524065122, which contains 22 as substring.

Together with 47326921, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47326913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23663459 + 23663460.

It is an arithmetic number, because the mean of its divisors is an integer number (23663460).

Almost surely, 2^47326919 is an apocalyptic number.

47326919 is a deficient number, since it is larger than the sum of its proper divisors (1).

47326919 is an equidigital number, since it uses as much as digits as its factorization.

47326919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 41.

The square root of 47326919 is about 6879.4563011913. The cubic root of 47326919 is about 361.7174086488.

The spelling of 47326919 in words is "forty-seven million, three hundred twenty-six thousand, nine hundred nineteen".