2104220497 has 2 divisors, whose sum is σ = 2104220498. Its totient is φ = 2104220496.

The previous prime is 2104220479. The next prime is 2104220533. The reversal of 2104220497 is 7940224012.

Together with previous prime (2104220479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1778814976 + 325405521 = 42176^2 + 18039^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104220497 - 2⁷ = 2104220369 is a prime.

It is not a weakly prime, because it can be changed into another prime (2104220467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052110248 + 1052110249.

It is an arithmetic number, because the mean of its divisors is an integer number (1052110249).

Almost surely, 2^2104220497 is an apocalyptic number.

It is an amenable number.

2104220497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104220497 is an equidigital number, since it uses as much as digits as its factorization.

2104220497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 2104220497 is about 45871.7832332688. The cubic root of 2104220497 is about 1281.4364767108.

The spelling of 2104220497 in words is "two billion, one hundred four million, two hundred twenty thousand, four hundred ninety-seven".