2040631476869 has 2 divisors, whose sum is σ = 2040631476870. Its totient is φ = 2040631476868.

The previous prime is 2040631476827. The next prime is 2040631476943. The reversal of 2040631476869 is 9686741360402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1753214328100 + 287417148769 = 1324090^2 + 536113^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040631476869 - 2¹² = 2040631472773 is a prime.

It is a super-2 number, since 2×2040631476869² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040631976869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020315738434 + 1020315738435.

It is an arithmetic number, because the mean of its divisors is an integer number (1020315738435).

Almost surely, 2^{2040631476869} is an apocalyptic number.

It is an amenable number.

2040631476869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040631476869 is an equidigital number, since it uses as much as digits as its factorization.

2040631476869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 2040631476869 in words is "two trillion, forty billion, six hundred thirty-one million, four hundred seventy-six thousand, eight hundred sixty-nine".