47208924549 has 30 divisors (see below), whose sum is σ = 70686735174. Its totient is φ = 31399222320.

The previous prime is 47208924487. The next prime is 47208924563. The reversal of 47208924549 is 94542980274.

It is a happy number.

47208924549 is a `hidden beast` number, since 4 + 7 + 2 + 0 + 8 + 92 + 4 + 549 = 666.

It can be written as a sum of positive squares in only one way, i.e., 42192035649 + 5016888900 = 205407^2 + 70830^2 .

It is not a de Polignac number, because 47208924549 - 2¹³ = 47208916357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47208924495 and 47208924504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47208924349) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 50168419 + ... + 50169359.

Almost surely, 2^47208924549 is an apocalyptic number.

It is an amenable number.

47208924549 is a deficient number, since it is larger than the sum of its proper divisors (23477810625).

47208924549 is an frugal number, since it uses more digits than its factorization.

47208924549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527 (or 1731 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 47208924549 in words is "forty-seven billion, two hundred eight million, nine hundred twenty-four thousand, five hundred forty-nine".