47438570493 has 6 divisors (see below), whose sum is σ = 68522379614. Its totient is φ = 31625713656.

The previous prime is 47438570479. The next prime is 47438570497. The reversal of 47438570493 is 39407583474.

47438570493 is a `hidden beast` number, since 4 + 7 + 4 + 3 + 85 + 70 + 493 = 666.

It can be written as a sum of positive squares in only one way, i.e., 30920408964 + 16518161529 = 175842^2 + 128523^2 .

It is not a de Polignac number, because 47438570493 - 2¹⁰ = 47438569469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47438570497) 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, 2635476130 + ... + 2635476147.

Almost surely, 2^47438570493 is an apocalyptic number.

It is an amenable number.

47438570493 is a deficient number, since it is larger than the sum of its proper divisors (21083809121).

47438570493 is a wasteful number, since it uses less digits than its factorization.

47438570493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5270952283 (or 5270952280 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 47438570493 in words is "forty-seven billion, four hundred thirty-eight million, five hundred seventy thousand, four hundred ninety-three".