33146240399 has 4 divisors (see below), whose sum is σ = 35096019264. Its totient is φ = 31196461536.

The previous prime is 33146240381. The next prime is 33146240423. The reversal of 33146240399 is 99304264133.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99304264133 = 53 ⋅1873665361.

It is a cyclic number.

It is not a de Polignac number, because 33146240399 - 2³² = 28851273103 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 (33146240339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 974889407 + ... + 974889440.

It is an arithmetic number, because the mean of its divisors is an integer number (8774004816).

Almost surely, 2^33146240399 is an apocalyptic number.

33146240399 is a deficient number, since it is larger than the sum of its proper divisors (1949778865).

33146240399 is a wasteful number, since it uses less digits than its factorization.

33146240399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949778864.

The product of its (nonzero) digits is 419904, while the sum is 44.

The spelling of 33146240399 in words is "thirty-three billion, one hundred forty-six million, two hundred forty thousand, three hundred ninety-nine".