97138570943 has 2 divisors, whose sum is σ = 97138570944. Its totient is φ = 97138570942.

The previous prime is 97138570937. The next prime is 97138570957. The reversal of 97138570943 is 34907583179.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97138570943 - 2²⁸ = 96870135487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97138570043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48569285471 + 48569285472.

It is an arithmetic number, because the mean of its divisors is an integer number (48569285472).

Almost surely, 2^97138570943 is an apocalyptic number.

97138570943 is a deficient number, since it is larger than the sum of its proper divisors (1).

97138570943 is an equidigital number, since it uses as much as digits as its factorization.

97138570943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 97138570943 in words is "ninety-seven billion, one hundred thirty-eight million, five hundred seventy thousand, nine hundred forty-three".