71503960957433 has 2 divisors, whose sum is σ = 71503960957434. Its totient is φ = 71503960957432.

The previous prime is 71503960957417. The next prime is 71503960957447. The reversal of 71503960957433 is 33475906930517.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63742148241424 + 7761812716009 = 7983868^2 + 2786003^2 .

It is an emirp because it is prime and its reverse (33475906930517) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71503960957433 - 2⁴ = 71503960957417 is a prime.

It is a super-4 number, since 4×71503960957433⁴ (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (71503960957483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35751980478716 + 35751980478717.

It is an arithmetic number, because the mean of its divisors is an integer number (35751980478717).

Almost surely, 2^{71503960957433} is an apocalyptic number.

It is an amenable number.

71503960957433 is a deficient number, since it is larger than the sum of its proper divisors (1).

71503960957433 is an equidigital number, since it uses as much as digits as its factorization.

71503960957433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64297800, while the sum is 62.

The spelling of 71503960957433 in words is "seventy-one trillion, five hundred three billion, nine hundred sixty million, nine hundred fifty-seven thousand, four hundred thirty-three".