97406409943 has 2 divisors, whose sum is σ = 97406409944. Its totient is φ = 97406409942.

The previous prime is 97406409899. The next prime is 97406410009. The reversal of 97406409943 is 34990460479.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97406409943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97406409743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48703204971 + 48703204972.

It is an arithmetic number, because the mean of its divisors is an integer number (48703204972).

Almost surely, 2^97406409943 is an apocalyptic number.

97406409943 is a deficient number, since it is larger than the sum of its proper divisors (1).

97406409943 is an equidigital number, since it uses as much as digits as its factorization.

97406409943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 55.

The spelling of 97406409943 in words is "ninety-seven billion, four hundred six million, four hundred nine thousand, nine hundred forty-three".