33426334643 has 16 divisors (see below), whose sum is σ = 38210247936. Its totient is φ = 28967577600.

The previous prime is 33426334619. The next prime is 33426334651. The reversal of 33426334643 is 34643362433.

It is a de Polignac number, because none of the positive numbers 2^k-33426334643 is a prime.

It is a super-2 number, since 2×33426334643² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33426334643.

It is not an unprimeable number, because it can be changed into a prime (33426334673) 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, 99971 + ... + 277212.

It is an arithmetic number, because the mean of its divisors is an integer number (2388140496).

Almost surely, 2^33426334643 is an apocalyptic number.

33426334643 is a deficient number, since it is larger than the sum of its proper divisors (4783913293).

33426334643 is a wasteful number, since it uses less digits than its factorization.

33426334643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377614.

The product of its digits is 1119744, while the sum is 41.

The spelling of 33426334643 in words is "thirty-three billion, four hundred twenty-six million, three hundred thirty-four thousand, six hundred forty-three".