47648761497 has 6 divisors (see below), whose sum is σ = 68825988842. Its totient is φ = 31765840992.

The previous prime is 47648761471. The next prime is 47648761591. The reversal of 47648761497 is 79416784674.

47648761497 is a `hidden beast` number, since 4 + 7 + 6 + 4 + 8 + 7 + 614 + 9 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41918877081 + 5729884416 = 204741^2 + 75696^2 .

It is not a de Polignac number, because 47648761497 - 2¹¹ = 47648759449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47648761427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2647153408 + ... + 2647153425.

Almost surely, 2^47648761497 is an apocalyptic number.

It is an amenable number.

47648761497 is a deficient number, since it is larger than the sum of its proper divisors (21177227345).

47648761497 is a wasteful number, since it uses less digits than its factorization.

47648761497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5294306839 (or 5294306836 counting only the distinct ones).

The product of its digits is 56899584, while the sum is 63.

The spelling of 47648761497 in words is "forty-seven billion, six hundred forty-eight million, seven hundred sixty-one thousand, four hundred ninety-seven".