28383351919 has 8 divisors (see below), whose sum is σ = 30735565952. Its totient is φ = 26055263520.

The previous prime is 28383351881. The next prime is 28383351923. The reversal of 28383351919 is 91915338382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28383351919 - 2¹¹ = 28383349871 is a prime.

It is a super-2 number, since 2×28383351919² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28383351019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6028959 + ... + 6033664.

It is an arithmetic number, because the mean of its divisors is an integer number (3841945744).

Almost surely, 2^28383351919 is an apocalyptic number.

28383351919 is a deficient number, since it is larger than the sum of its proper divisors (2352214033).

28383351919 is a wasteful number, since it uses less digits than its factorization.

28383351919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12062817.

The product of its digits is 1399680, while the sum is 52.

The spelling of 28383351919 in words is "twenty-eight billion, three hundred eighty-three million, three hundred fifty-one thousand, nine hundred nineteen".