52129867841 has 2 divisors, whose sum is σ = 52129867842. Its totient is φ = 52129867840.

The previous prime is 52129867819. The next prime is 52129867877. The reversal of 52129867841 is 14876892125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51995400625 + 134467216 = 228025^2 + 11596^2 .

It is a cyclic number.

It is not a de Polignac number, because 52129867841 - 2¹⁴ = 52129851457 is a prime.

It is a super-2 number, since 2×52129867841² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52129837841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26064933920 + 26064933921.

It is an arithmetic number, because the mean of its divisors is an integer number (26064933921).

Almost surely, 2^52129867841 is an apocalyptic number.

It is an amenable number.

52129867841 is a deficient number, since it is larger than the sum of its proper divisors (1).

52129867841 is an equidigital number, since it uses as much as digits as its factorization.

52129867841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 53.

The spelling of 52129867841 in words is "fifty-two billion, one hundred twenty-nine million, eight hundred sixty-seven thousand, eight hundred forty-one".