273789473 has 2 divisors, whose sum is σ = 273789474. Its totient is φ = 273789472.

The previous prime is 273789463. The next prime is 273789479. The reversal of 273789473 is 374987372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195077089 + 78712384 = 13967^2 + 8872^2 .

It is a cyclic number.

It is not a de Polignac number, because 273789473 - 2⁴ = 273789457 is a prime.

It is not a weakly prime, because it can be changed into another prime (273789479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136894736 + 136894737.

It is an arithmetic number, because the mean of its divisors is an integer number (136894737).

Almost surely, 2^273789473 is an apocalyptic number.

It is an amenable number.

273789473 is a deficient number, since it is larger than the sum of its proper divisors (1).

273789473 is an equidigital number, since it uses as much as digits as its factorization.

273789473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1778112, while the sum is 50.

The square root of 273789473 is about 16546.5849346625. The cubic root of 273789473 is about 649.3401374525.

The spelling of 273789473 in words is "two hundred seventy-three million, seven hundred eighty-nine thousand, four hundred seventy-three".