13493487934 has 4 divisors (see below), whose sum is σ = 20240231904. Its totient is φ = 6746743966.

The previous prime is 13493487919. The next prime is 13493487971. The reversal of 13493487934 is 43978439431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43978439431 = 112901 ⋅389531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3373371982 + ... + 3373371985.

It is an arithmetic number, because the mean of its divisors is an integer number (5060057976).

Almost surely, 2^13493487934 is an apocalyptic number.

13493487934 is a deficient number, since it is larger than the sum of its proper divisors (6746743970).

13493487934 is an equidigital number, since it uses as much as digits as its factorization.

13493487934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6746743969.

The product of its digits is 7838208, while the sum is 55.

The spelling of 13493487934 in words is "thirteen billion, four hundred ninety-three million, four hundred eighty-seven thousand, nine hundred thirty-four".