71652651235129 has 2 divisors, whose sum is σ = 71652651235130. Its totient is φ = 71652651235128.

The previous prime is 71652651235127. The next prime is 71652651235159. The reversal of 71652651235129 is 92153215625617.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63515353001104 + 8137298234025 = 7969652^2 + 2852595^2 .

It is a cyclic number.

It is not a de Polignac number, because 71652651235129 - 2¹ = 71652651235127 is a prime.

Together with 71652651235127, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 71652651235129.

It is not a weakly prime, because it can be changed into another prime (71652651235127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35826325617564 + 35826325617565.

It is an arithmetic number, because the mean of its divisors is an integer number (35826325617565).

Almost surely, 2^{71652651235129} is an apocalyptic number.

It is an amenable number.

71652651235129 is a deficient number, since it is larger than the sum of its proper divisors (1).

71652651235129 is an equidigital number, since it uses as much as digits as its factorization.

71652651235129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804000, while the sum is 55.

The spelling of 71652651235129 in words is "seventy-one trillion, six hundred fifty-two billion, six hundred fifty-one million, two hundred thirty-five thousand, one hundred twenty-nine".