97415581492919 has 2 divisors, whose sum is σ = 97415581492920. Its totient is φ = 97415581492918.

The previous prime is 97415581492849. The next prime is 97415581492937. The reversal of 97415581492919 is 91929418551479.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97415581492919 - 2¹⁶ = 97415581427383 is a prime.

It is a super-2 number, since 2×97415581492919² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97415581492939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48707790746459 + 48707790746460.

It is an arithmetic number, because the mean of its divisors is an integer number (48707790746460).

Almost surely, 2^{97415581492919} is an apocalyptic number.

97415581492919 is a deficient number, since it is larger than the sum of its proper divisors (1).

97415581492919 is an equidigital number, since it uses as much as digits as its factorization.

97415581492919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 293932800, while the sum is 74.

The spelling of 97415581492919 in words is "ninety-seven trillion, four hundred fifteen billion, five hundred eighty-one million, four hundred ninety-two thousand, nine hundred nineteen".