47969543 has 2 divisors, whose sum is σ = 47969544. Its totient is φ = 47969542.

The previous prime is 47969539. The next prime is 47969557. The reversal of 47969543 is 34596974.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47969543 - 2² = 47969539 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47969503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23984771 + 23984772.

It is an arithmetic number, because the mean of its divisors is an integer number (23984772).

Almost surely, 2^47969543 is an apocalyptic number.

47969543 is a deficient number, since it is larger than the sum of its proper divisors (1).

47969543 is an equidigital number, since it uses as much as digits as its factorization.

47969543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 47.

The square root of 47969543 is about 6926.0048368450. The cubic root of 47969543 is about 363.3472355780.

The spelling of 47969543 in words is "forty-seven million, nine hundred sixty-nine thousand, five hundred forty-three".