52105443631 has 2 divisors, whose sum is σ = 52105443632. Its totient is φ = 52105443630.

The previous prime is 52105443623. The next prime is 52105443671. The reversal of 52105443631 is 13634450125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52105443631 - 2³ = 52105443623 is a prime.

It is a super-2 number, since 2×52105443631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52105443601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26052721815 + 26052721816.

It is an arithmetic number, because the mean of its divisors is an integer number (26052721816).

Almost surely, 2^52105443631 is an apocalyptic number.

52105443631 is a deficient number, since it is larger than the sum of its proper divisors (1).

52105443631 is an equidigital number, since it uses as much as digits as its factorization.

52105443631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 52105443631 its reverse (13634450125), we get a palindrome (65739893756).

The spelling of 52105443631 in words is "fifty-two billion, one hundred five million, four hundred forty-three thousand, six hundred thirty-one".