71925697951 has 2 divisors, whose sum is σ = 71925697952. Its totient is φ = 71925697950.

The previous prime is 71925697903. The next prime is 71925698011. The reversal of 71925697951 is 15979652917.

It is a weak prime.

It is an emirp because it is prime and its reverse (15979652917) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71925697951 - 2¹⁵ = 71925665183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71925697951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71925695951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35962848975 + 35962848976.

It is an arithmetic number, because the mean of its divisors is an integer number (35962848976).

Almost surely, 2^71925697951 is an apocalyptic number.

71925697951 is a deficient number, since it is larger than the sum of its proper divisors (1).

71925697951 is an equidigital number, since it uses as much as digits as its factorization.

71925697951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10716300, while the sum is 61.

The spelling of 71925697951 in words is "seventy-one billion, nine hundred twenty-five million, six hundred ninety-seven thousand, nine hundred fifty-one".