1918579703041 has 2 divisors, whose sum is σ = 1918579703042. Its totient is φ = 1918579703040.

The previous prime is 1918579702999. The next prime is 1918579703057. The reversal of 1918579703041 is 1403079758191.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1776529108225 + 142050594816 = 1332865^2 + 376896^2 .

It is a cyclic number.

It is not a de Polignac number, because 1918579703041 - 2¹³ = 1918579694849 is a prime.

It is not a weakly prime, because it can be changed into another prime (1918579713041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 959289851520 + 959289851521.

It is an arithmetic number, because the mean of its divisors is an integer number (959289851521).

Almost surely, 2^{1918579703041} is an apocalyptic number.

It is an amenable number.

1918579703041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1918579703041 is an equidigital number, since it uses as much as digits as its factorization.

1918579703041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 55.

The spelling of 1918579703041 in words is "one trillion, nine hundred eighteen billion, five hundred seventy-nine million, seven hundred three thousand, forty-one".