33243140401 has 2 divisors, whose sum is σ = 33243140402. Its totient is φ = 33243140400.

The previous prime is 33243140393. The next prime is 33243140429. The reversal of 33243140401 is 10404134233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33216885025 + 26255376 = 182255^2 + 5124^2 .

It is an emirp because it is prime and its reverse (10404134233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33243140401 - 2³ = 33243140393 is a prime.

It is a super-2 number, since 2×33243140401² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33243140431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16621570200 + 16621570201.

It is an arithmetic number, because the mean of its divisors is an integer number (16621570201).

Almost surely, 2^33243140401 is an apocalyptic number.

It is an amenable number.

33243140401 is a deficient number, since it is larger than the sum of its proper divisors (1).

33243140401 is an equidigital number, since it uses as much as digits as its factorization.

33243140401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 33243140401 its reverse (10404134233), we get a palindrome (43647274634).

The spelling of 33243140401 in words is "thirty-three billion, two hundred forty-three million, one hundred forty thousand, four hundred one".