43979497934 has 4 divisors (see below), whose sum is σ = 65969246904. Its totient is φ = 21989748966.

The previous prime is 43979497931. The next prime is 43979497949.

43979497934 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43979497931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10994874482 + ... + 10994874485.

It is an arithmetic number, because the mean of its divisors is an integer number (16492311726).

Almost surely, 2^43979497934 is an apocalyptic number.

43979497934 is a deficient number, since it is larger than the sum of its proper divisors (21989748970).

43979497934 is a wasteful number, since it uses less digits than its factorization.

43979497934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21989748969.

The product of its digits is 185177664, while the sum is 68.

The spelling of 43979497934 in words is "forty-three billion, nine hundred seventy-nine million, four hundred ninety-seven thousand, nine hundred thirty-four".