35798923021 has 2 divisors, whose sum is σ = 35798923022. Its totient is φ = 35798923020.

The previous prime is 35798923007. The next prime is 35798923081. The reversal of 35798923021 is 12032989753.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27373702500 + 8425220521 = 165450^2 + 91789^2 .

It is a cyclic number.

It is not a de Polignac number, because 35798923021 - 2¹⁷ = 35798791949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35798923081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17899461510 + 17899461511.

It is an arithmetic number, because the mean of its divisors is an integer number (17899461511).

Almost surely, 2^35798923021 is an apocalyptic number.

It is an amenable number.

35798923021 is a deficient number, since it is larger than the sum of its proper divisors (1).

35798923021 is an equidigital number, since it uses as much as digits as its factorization.

35798923021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 35798923021 in words is "thirty-five billion, seven hundred ninety-eight million, nine hundred twenty-three thousand, twenty-one".