33979115543 has 2 divisors, whose sum is σ = 33979115544. Its totient is φ = 33979115542.

The previous prime is 33979115509. The next prime is 33979115561. The reversal of 33979115543 is 34551197933.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33979115543 - 2¹² = 33979111447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33979115491 and 33979115500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33979715543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16989557771 + 16989557772.

It is an arithmetic number, because the mean of its divisors is an integer number (16989557772).

Almost surely, 2^33979115543 is an apocalyptic number.

33979115543 is a deficient number, since it is larger than the sum of its proper divisors (1).

33979115543 is an equidigital number, since it uses as much as digits as its factorization.

33979115543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1530900, while the sum is 50.

The spelling of 33979115543 in words is "thirty-three billion, nine hundred seventy-nine million, one hundred fifteen thousand, five hundred forty-three".