4000202036689 has 2 divisors, whose sum is σ = 4000202036690. Its totient is φ = 4000202036688.

The previous prime is 4000202036561. The next prime is 4000202036693. The reversal of 4000202036689 is 9866302020004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3908659483089 + 91542553600 = 1977033^2 + 302560^2 .

It is a cyclic number.

It is not a de Polignac number, because 4000202036689 - 2⁷ = 4000202036561 is a prime.

It is not a weakly prime, because it can be changed into another prime (4000202031689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000101018344 + 2000101018345.

It is an arithmetic number, because the mean of its divisors is an integer number (2000101018345).

Almost surely, 2^{4000202036689} is an apocalyptic number.

It is an amenable number.

4000202036689 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000202036689 is an equidigital number, since it uses as much as digits as its factorization.

4000202036689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 4000202036689 in words is "four trillion, two hundred two million, thirty-six thousand, six hundred eighty-nine".