47150869 has 2 divisors, whose sum is σ = 47150870. Its totient is φ = 47150868.

The previous prime is 47150863. The next prime is 47150881. The reversal of 47150869 is 96805174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33200644 + 13950225 = 5762^2 + 3735^2 .

It is a cyclic number.

It is not a de Polignac number, because 47150869 - 2⁹ = 47150357 is a prime.

It is a super-2 number, since 2×47150869² = 4446408894910322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47150863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23575434 + 23575435.

It is an arithmetic number, because the mean of its divisors is an integer number (23575435).

Almost surely, 2^47150869 is an apocalyptic number.

It is an amenable number.

47150869 is a deficient number, since it is larger than the sum of its proper divisors (1).

47150869 is an equidigital number, since it uses as much as digits as its factorization.

47150869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 47150869 is about 6866.6490371942. The cubic root of 47150869 is about 361.2683374112.

The spelling of 47150869 in words is "forty-seven million, one hundred fifty thousand, eight hundred sixty-nine".