47519149 has 2 divisors, whose sum is σ = 47519150. Its totient is φ = 47519148.

The previous prime is 47519141. The next prime is 47519167. The reversal of 47519149 is 94191574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29626249 + 17892900 = 5443^2 + 4230^2 .

It is a cyclic number.

It is not a de Polignac number, because 47519149 - 2³ = 47519141 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 (47519141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23759574 + 23759575.

It is an arithmetic number, because the mean of its divisors is an integer number (23759575).

Almost surely, 2^47519149 is an apocalyptic number.

It is an amenable number.

47519149 is a deficient number, since it is larger than the sum of its proper divisors (1).

47519149 is an equidigital number, since it uses as much as digits as its factorization.

47519149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 40.

The square root of 47519149 is about 6893.4134505338. The cubic root of 47519149 is about 362.2064820207.

The spelling of 47519149 in words is "forty-seven million, five hundred nineteen thousand, one hundred forty-nine".