71651274853 has 2 divisors, whose sum is σ = 71651274854. Its totient is φ = 71651274852.

The previous prime is 71651274839. The next prime is 71651274913. The reversal of 71651274853 is 35847215617.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69718177764 + 1933097089 = 264042^2 + 43967^2 .

It is a cyclic number.

It is not a de Polignac number, because 71651274853 - 2⁹ = 71651274341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71651274797 and 71651274806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71651284853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35825637426 + 35825637427.

It is an arithmetic number, because the mean of its divisors is an integer number (35825637427).

Almost surely, 2^71651274853 is an apocalyptic number.

It is an amenable number.

71651274853 is a deficient number, since it is larger than the sum of its proper divisors (1).

71651274853 is an equidigital number, since it uses as much as digits as its factorization.

71651274853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1411200, while the sum is 49.

The spelling of 71651274853 in words is "seventy-one billion, six hundred fifty-one million, two hundred seventy-four thousand, eight hundred fifty-three".