71268232351 has 2 divisors, whose sum is σ = 71268232352. Its totient is φ = 71268232350.

The previous prime is 71268232261. The next prime is 71268232367. The reversal of 71268232351 is 15323286217.

It is a strong prime.

It is an emirp because it is prime and its reverse (15323286217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71268232351 - 2³⁵ = 36908493983 is a prime.

It is a super-2 number, since 2×71268232351² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71268232051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35634116175 + 35634116176.

It is an arithmetic number, because the mean of its divisors is an integer number (35634116176).

Almost surely, 2^71268232351 is an apocalyptic number.

71268232351 is a deficient number, since it is larger than the sum of its proper divisors (1).

71268232351 is an equidigital number, since it uses as much as digits as its factorization.

71268232351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The spelling of 71268232351 in words is "seventy-one billion, two hundred sixty-eight million, two hundred thirty-two thousand, three hundred fifty-one".