97144734097 has 2 divisors, whose sum is σ = 97144734098. Its totient is φ = 97144734096.

The previous prime is 97144734073. The next prime is 97144734101. The reversal of 97144734097 is 79043744179.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63822422161 + 33322311936 = 252631^2 + 182544^2 .

It is a cyclic number.

It is not a de Polignac number, because 97144734097 - 2³¹ = 94997250449 is a prime.

It is not a weakly prime, because it can be changed into another prime (97144734067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48572367048 + 48572367049.

It is an arithmetic number, because the mean of its divisors is an integer number (48572367049).

Almost surely, 2^97144734097 is an apocalyptic number.

It is an amenable number.

97144734097 is a deficient number, since it is larger than the sum of its proper divisors (1).

97144734097 is an equidigital number, since it uses as much as digits as its factorization.

97144734097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5334336, while the sum is 55.

The spelling of 97144734097 in words is "ninety-seven billion, one hundred forty-four million, seven hundred thirty-four thousand, ninety-seven".