47149343 has 2 divisors, whose sum is σ = 47149344. Its totient is φ = 47149342.

The previous prime is 47149339. The next prime is 47149351. The reversal of 47149343 is 34394174.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47149343 - 2² = 47149339 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47149373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23574671 + 23574672.

It is an arithmetic number, because the mean of its divisors is an integer number (23574672).

Almost surely, 2^47149343 is an apocalyptic number.

47149343 is a deficient number, since it is larger than the sum of its proper divisors (1).

47149343 is an equidigital number, since it uses as much as digits as its factorization.

47149343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 35.

The square root of 47149343 is about 6866.5379195050. The cubic root of 47149343 is about 361.2644399827.

The spelling of 47149343 in words is "forty-seven million, one hundred forty-nine thousand, three hundred forty-three".