47849606510281 has 9 divisors (see below), whose sum is σ = 49556696785141. Its totient is φ = 46199426393344.

The previous prime is 47849606510213. The next prime is 47849606510291. The reversal of 47849606510281 is 18201560694874.

The square root of 47849606510281 is 6917341.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 51465005881 + 47798141504400 = 226859^2 + 6913620^2 .

It is not a de Polignac number, because 47849606510281 - 2²³ = 47849598121673 is a prime.

It is a super-2 number, since 2×47849606510281² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47849606510201) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 200483625 + ... + 200722153.

Almost surely, 2^{47849606510281} is an apocalyptic number.

47849606510281 is the 6917341-st square number.

47849606510281 is the 3458671-st centered octagonal number.

It is an amenable number.

47849606510281 is a deficient number, since it is larger than the sum of its proper divisors (1707090274860).

47849606510281 is an frugal number, since it uses more digits than its factorization.

47849606510281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477116 (or 238558 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 61.

The spelling of 47849606510281 in words is "forty-seven trillion, eight hundred forty-nine billion, six hundred six million, five hundred ten thousand, two hundred eighty-one".