47268635481 has 20 divisors (see below), whose sum is σ = 70789081572. Its totient is φ = 31433025888.

The previous prime is 47268635399. The next prime is 47268635489. The reversal of 47268635481 is 18453686274.

It is a happy number.

47268635481 is a `hidden beast` number, since 4 + 72 + 68 + 6 + 35 + 481 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24175274256 + 23093361225 = 155484^2 + 151965^2 .

It is not a de Polignac number, because 47268635481 - 2²¹ = 47266538329 is a prime.

It is a super-2 number, since 2×47268635481² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47268635489) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 702810 + ... + 767123.

Almost surely, 2^47268635481 is an apocalyptic number.

It is an amenable number.

47268635481 is a deficient number, since it is larger than the sum of its proper divisors (23520446091).

47268635481 is a wasteful number, since it uses less digits than its factorization.

47268635481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470342 (or 1470333 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The spelling of 47268635481 in words is "forty-seven billion, two hundred sixty-eight million, six hundred thirty-five thousand, four hundred eighty-one".