534798781943 has 16 divisors (see below), whose sum is σ = 569526834240. Its totient is φ = 500435366400.

The previous prime is 534798781927. The next prime is 534798781949. The reversal of 534798781943 is 349187897435.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 534798781943 - 2⁴ = 534798781927 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 (534798781949) 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, 13885733 + ... + 13924193.

It is an arithmetic number, because the mean of its divisors is an integer number (35595427140).

Almost surely, 2^534798781943 is an apocalyptic number.

534798781943 is a deficient number, since it is larger than the sum of its proper divisors (34728052297).

534798781943 is a wasteful number, since it uses less digits than its factorization.

534798781943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43178.

The product of its digits is 182891520, while the sum is 68.

The spelling of 534798781943 in words is "five hundred thirty-four billion, seven hundred ninety-eight million, seven hundred eighty-one thousand, nine hundred forty-three".