97435921439933 has 2 divisors, whose sum is σ = 97435921439934. Its totient is φ = 97435921439932.

The previous prime is 97435921439881. The next prime is 97435921440049. The reversal of 97435921439933 is 33993412953479.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67939432681444 + 29496488758489 = 8242538^2 + 5431067^2 .

It is a cyclic number.

It is not a de Polignac number, because 97435921439933 - 2²⁸ = 97435653004477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97435921439533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48717960719966 + 48717960719967.

It is an arithmetic number, because the mean of its divisors is an integer number (48717960719967).

Almost surely, 2^{97435921439933} is an apocalyptic number.

It is an amenable number.

97435921439933 is a deficient number, since it is larger than the sum of its proper divisors (1).

97435921439933 is an equidigital number, since it uses as much as digits as its factorization.

97435921439933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 595213920, while the sum is 71.

The spelling of 97435921439933 in words is "ninety-seven trillion, four hundred thirty-five billion, nine hundred twenty-one million, four hundred thirty-nine thousand, nine hundred thirty-three".