47565279533 has 2 divisors, whose sum is σ = 47565279534. Its totient is φ = 47565279532.

The previous prime is 47565279491. The next prime is 47565279551. The reversal of 47565279533 is 33597256574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32568338089 + 14996941444 = 180467^2 + 122462^2 .

It is a cyclic number.

It is not a de Polignac number, because 47565279533 - 2⁶ = 47565279469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47565279563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23782639766 + 23782639767.

It is an arithmetic number, because the mean of its divisors is an integer number (23782639767).

Almost surely, 2^47565279533 is an apocalyptic number.

It is an amenable number.

47565279533 is a deficient number, since it is larger than the sum of its proper divisors (1).

47565279533 is an equidigital number, since it uses as much as digits as its factorization.

47565279533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23814000, while the sum is 56.

The spelling of 47565279533 in words is "forty-seven billion, five hundred sixty-five million, two hundred seventy-nine thousand, five hundred thirty-three".