16034939493 has 4 divisors (see below), whose sum is σ = 21379919328. Its totient is φ = 10689959660.

The previous prime is 16034939423. The next prime is 16034939507. The reversal of 16034939493 is 39493943061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16034939493 - 2¹⁴ = 16034923109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16034939413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2672489913 + ... + 2672489918.

It is an arithmetic number, because the mean of its divisors is an integer number (5344979832).

Almost surely, 2^16034939493 is an apocalyptic number.

It is an amenable number.

16034939493 is a deficient number, since it is larger than the sum of its proper divisors (5344979835).

16034939493 is an equidigital number, since it uses as much as digits as its factorization.

16034939493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5344979834.

The product of its (nonzero) digits is 1889568, while the sum is 51.

The spelling of 16034939493 in words is "sixteen billion, thirty-four million, nine hundred thirty-nine thousand, four hundred ninety-three".