2112604477 has 2 divisors, whose sum is σ = 2112604478. Its totient is φ = 2112604476.

The previous prime is 2112604453. The next prime is 2112604489. The reversal of 2112604477 is 7744062112.

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., 1956204441 + 156400036 = 44229^2 + 12506^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112604477 - 2¹⁵ = 2112571709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112604447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056302238 + 1056302239.

It is an arithmetic number, because the mean of its divisors is an integer number (1056302239).

Almost surely, 2^2112604477 is an apocalyptic number.

It is an amenable number.

2112604477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112604477 is an equidigital number, since it uses as much as digits as its factorization.

2112604477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 2112604477 is about 45963.0773229992. The cubic root of 2112604477 is about 1283.1361244088.

Adding to 2112604477 its reverse (7744062112), we get a palindrome (9856666589).

The spelling of 2112604477 in words is "two billion, one hundred twelve million, six hundred four thousand, four hundred seventy-seven".