33499902749343 has 16 divisors (see below), whose sum is σ = 46608774544896. Its totient is φ = 21362158651680.

The previous prime is 33499902749317. The next prime is 33499902749347. The reversal of 33499902749343 is 34394720999433.

It is not a de Polignac number, because 33499902749343 - 2⁸ = 33499902749087 is a prime.

It is a super-2 number, since 2×33499902749343² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33499902749347) 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, 15867198 + ... + 17854068.

It is an arithmetic number, because the mean of its divisors is an integer number (2913048409056).

Almost surely, 2^{33499902749343} is an apocalyptic number.

33499902749343 is a deficient number, since it is larger than the sum of its proper divisors (13108871795553).

33499902749343 is a wasteful number, since it uses less digits than its factorization.

33499902749343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231254.

The product of its (nonzero) digits is 476171136, while the sum is 69.

The spelling of 33499902749343 in words is "thirty-three trillion, four hundred ninety-nine billion, nine hundred two million, seven hundred forty-nine thousand, three hundred forty-three".