2097218148499 has 2 divisors, whose sum is σ = 2097218148500. Its totient is φ = 2097218148498.

The previous prime is 2097218148449. The next prime is 2097218148517. The reversal of 2097218148499 is 9948418127902.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2097218148499 - 2⁷ = 2097218148371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2097218148499.

It is not a weakly prime, because it can be changed into another prime (2097218148439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048609074249 + 1048609074250.

It is an arithmetic number, because the mean of its divisors is an integer number (1048609074250).

Almost surely, 2^{2097218148499} is an apocalyptic number.

2097218148499 is a deficient number, since it is larger than the sum of its proper divisors (1).

2097218148499 is an equidigital number, since it uses as much as digits as its factorization.

2097218148499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20901888, while the sum is 64.

The spelling of 2097218148499 in words is "two trillion, ninety-seven billion, two hundred eighteen million, one hundred forty-eight thousand, four hundred ninety-nine".