73701310525397 has 2 divisors, whose sum is σ = 73701310525398. Its totient is φ = 73701310525396.

The previous prime is 73701310525369. The next prime is 73701310525399. The reversal of 73701310525397 is 79352501310737.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61716877408081 + 11984433117316 = 7856009^2 + 3461854^2 .

It is a cyclic number.

It is not a de Polignac number, because 73701310525397 - 2¹² = 73701310521301 is a prime.

Together with 73701310525399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73701310525399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36850655262698 + 36850655262699.

It is an arithmetic number, because the mean of its divisors is an integer number (36850655262699).

Almost surely, 2^{73701310525397} is an apocalyptic number.

It is an amenable number.

73701310525397 is a deficient number, since it is larger than the sum of its proper divisors (1).

73701310525397 is an equidigital number, since it uses as much as digits as its factorization.

73701310525397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4167450, while the sum is 53.

The spelling of 73701310525397 in words is "seventy-three trillion, seven hundred one billion, three hundred ten million, five hundred twenty-five thousand, three hundred ninety-seven".