2003654473 has 2 divisors, whose sum is σ = 2003654474. Its totient is φ = 2003654472.

The previous prime is 2003654441. The next prime is 2003654503. The reversal of 2003654473 is 3744563002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1712883769 + 290770704 = 41387^2 + 17052^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003654473 - 2⁵ = 2003654441 is a prime.

It is not a weakly prime, because it can be changed into another prime (2003654413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001827236 + 1001827237.

It is an arithmetic number, because the mean of its divisors is an integer number (1001827237).

Almost surely, 2^2003654473 is an apocalyptic number.

It is an amenable number.

2003654473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003654473 is an equidigital number, since it uses as much as digits as its factorization.

2003654473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 2003654473 is about 44762.1991528566. The cubic root of 2003654473 is about 1260.6879742102.

The spelling of 2003654473 in words is "two billion, three million, six hundred fifty-four thousand, four hundred seventy-three".