71254457652863 has 2 divisors, whose sum is σ = 71254457652864. Its totient is φ = 71254457652862.

The previous prime is 71254457652857. The next prime is 71254457652869. The reversal of 71254457652863 is 36825675445217.

It is a balanced prime because it is at equal distance from previous prime (71254457652857) and next prime (71254457652869).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71254457652863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71254457652863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71254457652869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35627228826431 + 35627228826432.

It is an arithmetic number, because the mean of its divisors is an integer number (35627228826432).

Almost surely, 2^{71254457652863} is an apocalyptic number.

71254457652863 is a deficient number, since it is larger than the sum of its proper divisors (1).

71254457652863 is an equidigital number, since it uses as much as digits as its factorization.

71254457652863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688000, while the sum is 65.

The spelling of 71254457652863 in words is "seventy-one trillion, two hundred fifty-four billion, four hundred fifty-seven million, six hundred fifty-two thousand, eight hundred sixty-three".