47129941 has 2 divisors, whose sum is σ = 47129942. Its totient is φ = 47129940.

The previous prime is 47129939. The next prime is 47129947. The reversal of 47129941 is 14992174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26563716 + 20566225 = 5154^2 + 4535^2 .

It is a cyclic number.

It is not a de Polignac number, because 47129941 - 2¹ = 47129939 is a prime.

Together with 47129939, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 47129941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47129947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23564970 + 23564971.

It is an arithmetic number, because the mean of its divisors is an integer number (23564971).

Almost surely, 2^47129941 is an apocalyptic number.

It is an amenable number.

47129941 is a deficient number, since it is larger than the sum of its proper divisors (1).

47129941 is an equidigital number, since it uses as much as digits as its factorization.

47129941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 37.

The square root of 47129941 is about 6865.1249806540. The cubic root of 47129941 is about 361.2148796291.

The spelling of 47129941 in words is "forty-seven million, one hundred twenty-nine thousand, nine hundred forty-one".