16274272789 has 4 divisors (see below), whose sum is σ = 16295326956. Its totient is φ = 16253218624.

The previous prime is 16274272759. The next prime is 16274272799. The reversal of 16274272789 is 98727247261.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2824072164 + 13450200625 = 53142^2 + 115975^2 .

It is a cyclic number.

It is not a de Polignac number, because 16274272789 - 2²¹ = 16272175637 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 (16274272759) 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, 10525924 + ... + 10527469.

It is an arithmetic number, because the mean of its divisors is an integer number (4073831739).

Almost surely, 2^16274272789 is an apocalyptic number.

It is an amenable number.

16274272789 is a deficient number, since it is larger than the sum of its proper divisors (21054167).

16274272789 is an equidigital number, since it uses as much as digits as its factorization.

16274272789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21054166.

The product of its digits is 4741632, while the sum is 55.

The spelling of 16274272789 in words is "sixteen billion, two hundred seventy-four million, two hundred seventy-two thousand, seven hundred eighty-nine".