71226272263 has 2 divisors, whose sum is σ = 71226272264. Its totient is φ = 71226272262.

The previous prime is 71226272239. The next prime is 71226272309. The reversal of 71226272263 is 36227262217.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71226272263 - 2²¹ = 71224175111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71226272213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35613136131 + 35613136132.

It is an arithmetic number, because the mean of its divisors is an integer number (35613136132).

Almost surely, 2^71226272263 is an apocalyptic number.

71226272263 is a deficient number, since it is larger than the sum of its proper divisors (1).

71226272263 is an equidigital number, since it uses as much as digits as its factorization.

71226272263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 40.

The spelling of 71226272263 in words is "seventy-one billion, two hundred twenty-six million, two hundred seventy-two thousand, two hundred sixty-three".