35970321952021 has 2 divisors, whose sum is σ = 35970321952022. Its totient is φ = 35970321952020.

The previous prime is 35970321951943. The next prime is 35970321952027. The reversal of 35970321952021 is 12025912307953.

It is a happy number.

35970321952021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21854559112996 + 14115762839025 = 4674886^2 + 3757095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35970321952021 is a prime.

It is a super-2 number, since 2×35970321952021² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35970321952027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17985160976010 + 17985160976011.

It is an arithmetic number, because the mean of its divisors is an integer number (17985160976011).

Almost surely, 2^{35970321952021} is an apocalyptic number.

It is an amenable number.

35970321952021 is a deficient number, since it is larger than the sum of its proper divisors (1).

35970321952021 is an equidigital number, since it uses as much as digits as its factorization.

35970321952021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1020600, while the sum is 49.

The spelling of 35970321952021 in words is "thirty-five trillion, nine hundred seventy billion, three hundred twenty-one million, nine hundred fifty-two thousand, twenty-one".