97217592919 has 2 divisors, whose sum is σ = 97217592920. Its totient is φ = 97217592918.

The previous prime is 97217592911. The next prime is 97217592937. The reversal of 97217592919 is 91929571279.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97217592919 - 2³ = 97217592911 is a prime.

It is a super-2 number, since 2×97217592919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97217592911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48608796459 + 48608796460.

It is an arithmetic number, because the mean of its divisors is an integer number (48608796460).

Almost surely, 2^97217592919 is an apocalyptic number.

97217592919 is a deficient number, since it is larger than the sum of its proper divisors (1).

97217592919 is an equidigital number, since it uses as much as digits as its factorization.

97217592919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6429780, while the sum is 61.

The spelling of 97217592919 in words is "ninety-seven billion, two hundred seventeen million, five hundred ninety-two thousand, nine hundred nineteen".