47867917249 has 2 divisors, whose sum is σ = 47867917250. Its totient is φ = 47867917248.

The previous prime is 47867917187. The next prime is 47867917261. The reversal of 47867917249 is 94271976874.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36890116624 + 10977800625 = 192068^2 + 104775^2 .

It is a cyclic number.

It is not a de Polignac number, because 47867917249 - 2¹⁵ = 47867884481 is a prime.

It is a super-2 number, since 2×47867917249² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47867917289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23933958624 + 23933958625.

It is an arithmetic number, because the mean of its divisors is an integer number (23933958625).

Almost surely, 2^47867917249 is an apocalyptic number.

It is an amenable number.

47867917249 is a deficient number, since it is larger than the sum of its proper divisors (1).

47867917249 is an equidigital number, since it uses as much as digits as its factorization.

47867917249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42674688, while the sum is 64.

The spelling of 47867917249 in words is "forty-seven billion, eight hundred sixty-seven million, nine hundred seventeen thousand, two hundred forty-nine".