71510330953 has 2 divisors, whose sum is σ = 71510330954. Its totient is φ = 71510330952.

The previous prime is 71510330921. The next prime is 71510330987. The reversal of 71510330953 is 35903301517.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68440838544 + 3069492409 = 261612^2 + 55403^2 .

It is a cyclic number.

It is not a de Polignac number, because 71510330953 - 2⁵ = 71510330921 is a prime.

It is a super-2 number, since 2×71510330953² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71510330453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35755165476 + 35755165477.

It is an arithmetic number, because the mean of its divisors is an integer number (35755165477).

Almost surely, 2^71510330953 is an apocalyptic number.

It is an amenable number.

71510330953 is a deficient number, since it is larger than the sum of its proper divisors (1).

71510330953 is an equidigital number, since it uses as much as digits as its factorization.

71510330953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42525, while the sum is 37.

The spelling of 71510330953 in words is "seventy-one billion, five hundred ten million, three hundred thirty thousand, nine hundred fifty-three".