47444429 has 2 divisors, whose sum is σ = 47444430. Its totient is φ = 47444428.

The previous prime is 47444413. The next prime is 47444459. The reversal of 47444429 is 92444474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46267204 + 1177225 = 6802^2 + 1085^2 .

It is a cyclic number.

It is not a de Polignac number, because 47444429 - 2⁴ = 47444413 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 47444392 and 47444401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47444459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23722214 + 23722215.

It is an arithmetic number, because the mean of its divisors is an integer number (23722215).

Almost surely, 2^47444429 is an apocalyptic number.

It is an amenable number.

47444429 is a deficient number, since it is larger than the sum of its proper divisors (1).

47444429 is an equidigital number, since it uses as much as digits as its factorization.

47444429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 38.

The square root of 47444429 is about 6887.9916521436. The cubic root of 47444429 is about 362.0165356752.

The spelling of 47444429 in words is "forty-seven million, four hundred forty-four thousand, four hundred twenty-nine".