2054188417 has 2 divisors, whose sum is σ = 2054188418. Its totient is φ = 2054188416.

The previous prime is 2054188403. The next prime is 2054188453. The reversal of 2054188417 is 7148814502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1955762176 + 98426241 = 44224^2 + 9921^2 .

It is a cyclic number.

It is not a de Polignac number, because 2054188417 - 2¹¹ = 2054186369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2054188417.

It is not a weakly prime, because it can be changed into another prime (2054188457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027094208 + 1027094209.

It is an arithmetic number, because the mean of its divisors is an integer number (1027094209).

Almost surely, 2^2054188417 is an apocalyptic number.

It is an amenable number.

2054188417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2054188417 is an equidigital number, since it uses as much as digits as its factorization.

2054188417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 2054188417 is about 45323.1554175126. The cubic root of 2054188417 is about 1271.1986569021.

The spelling of 2054188417 in words is "two billion, fifty-four million, one hundred eighty-eight thousand, four hundred seventeen".