1824913681873 has 2 divisors, whose sum is σ = 1824913681874. Its totient is φ = 1824913681872.

The previous prime is 1824913681753. The next prime is 1824913681949. The reversal of 1824913681873 is 3781863194281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1182562726849 + 642350955024 = 1087457^2 + 801468^2 .

It is a cyclic number.

It is not a de Polignac number, because 1824913681873 - 2⁹ = 1824913681361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1824913685873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 912456840936 + 912456840937.

It is an arithmetic number, because the mean of its divisors is an integer number (912456840937).

Almost surely, 2^{1824913681873} is an apocalyptic number.

It is an amenable number.

1824913681873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1824913681873 is an equidigital number, since it uses as much as digits as its factorization.

1824913681873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13934592, while the sum is 61.

The spelling of 1824913681873 in words is "one trillion, eight hundred twenty-four billion, nine hundred thirteen million, six hundred eighty-one thousand, eight hundred seventy-three".