326102452021 has 12 divisors (see below), whose sum is σ = 337752818572. Its totient is φ = 314791835328.

The previous prime is 326102452007. The next prime is 326102452033. The reversal of 326102452021 is 120254201623.

It can be written as a sum of positive squares in 2 ways, for example, as 283917399921 + 42185052100 = 532839^2 + 205390^2 .

It is not a de Polignac number, because 326102452021 - 2⁵ = 326102451989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326102452121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 849870 + ... + 1172383.

Almost surely, 2^326102452021 is an apocalyptic number.

It is an amenable number.

326102452021 is a deficient number, since it is larger than the sum of its proper divisors (11650366551).

326102452021 is an equidigital number, since it uses as much as digits as its factorization.

326102452021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022420 (or 2022373 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 326102452021 its reverse (120254201623), we get a palindrome (446356653644).

The spelling of 326102452021 in words is "three hundred twenty-six billion, one hundred two million, four hundred fifty-two thousand, twenty-one".