52643653471 has 2 divisors, whose sum is σ = 52643653472. Its totient is φ = 52643653470.

The previous prime is 52643653463. The next prime is 52643653481. The reversal of 52643653471 is 17435634625.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52643653471 - 2³ = 52643653463 is a prime.

It is a super-3 number, since 3×52643653471³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52643653441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26321826735 + 26321826736.

It is an arithmetic number, because the mean of its divisors is an integer number (26321826736).

Almost surely, 2^52643653471 is an apocalyptic number.

52643653471 is a deficient number, since it is larger than the sum of its proper divisors (1).

52643653471 is an equidigital number, since it uses as much as digits as its factorization.

52643653471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 46.

The spelling of 52643653471 in words is "fifty-two billion, six hundred forty-three million, six hundred fifty-three thousand, four hundred seventy-one".