33540004343 has 16 divisors (see below), whose sum is σ = 34782528000. Its totient is φ = 32319181440.

The previous prime is 33540004301. The next prime is 33540004369. The reversal of 33540004343 is 34340004533.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 33540004343 - 2⁶ = 33540004279 is a prime.

It is a super-2 number, since 2×33540004343² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33540004373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5197583 + ... + 5204031.

It is an arithmetic number, because the mean of its divisors is an integer number (2173908000).

Almost surely, 2^33540004343 is an apocalyptic number.

33540004343 is a deficient number, since it is larger than the sum of its proper divisors (1242523657).

33540004343 is a wasteful number, since it uses less digits than its factorization.

33540004343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8102.

The product of its (nonzero) digits is 25920, while the sum is 29.

Adding to 33540004343 its reverse (34340004533), we get a palindrome (67880008876).

The spelling of 33540004343 in words is "thirty-three billion, five hundred forty million, four thousand, three hundred forty-three".