1853047488673 has 2 divisors, whose sum is σ = 1853047488674. Its totient is φ = 1853047488672.

The previous prime is 1853047488571. The next prime is 1853047488709. The reversal of 1853047488673 is 3768847403581.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1160678713104 + 692368775569 = 1077348^2 + 832087^2 .

It is a cyclic number.

It is not a de Polignac number, because 1853047488673 - 2²⁹ = 1852510617761 is a prime.

It is not a weakly prime, because it can be changed into another prime (1853047488373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 926523744336 + 926523744337.

It is an arithmetic number, because the mean of its divisors is an integer number (926523744337).

Almost surely, 2^{1853047488673} is an apocalyptic number.

It is an amenable number.

1853047488673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1853047488673 is an equidigital number, since it uses as much as digits as its factorization.

1853047488673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108380160, while the sum is 64.

The spelling of 1853047488673 in words is "one trillion, eight hundred fifty-three billion, forty-seven million, four hundred eighty-eight thousand, six hundred seventy-three".