36002870921 has 2 divisors, whose sum is σ = 36002870922. Its totient is φ = 36002870920.

The previous prime is 36002870887. The next prime is 36002870941. The reversal of 36002870921 is 12907820063.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23114945296 + 12887925625 = 152036^2 + 113525^2 .

It is a cyclic number.

It is not a de Polignac number, because 36002870921 - 2¹⁸ = 36002608777 is a prime.

It is not a weakly prime, because it can be changed into another prime (36002870941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18001435460 + 18001435461.

It is an arithmetic number, because the mean of its divisors is an integer number (18001435461).

Almost surely, 2^36002870921 is an apocalyptic number.

It is an amenable number.

36002870921 is a deficient number, since it is larger than the sum of its proper divisors (1).

36002870921 is an equidigital number, since it uses as much as digits as its factorization.

36002870921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 36002870921 in words is "thirty-six billion, two million, eight hundred seventy thousand, nine hundred twenty-one".