128462833919 has 8 divisors (see below), whose sum is σ = 148882480128. Its totient is φ = 108560140920.

The previous prime is 128462833867. The next prime is 128462833957. The reversal of 128462833919 is 919338264821.

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

It is not a de Polignac number, because 128462833919 - 2¹⁶ = 128462768383 is a prime.

It is a super-2 number, since 2×128462833919² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128462833999) 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, 129237767 + ... + 129238760.

It is an arithmetic number, because the mean of its divisors is an integer number (18610310016).

Almost surely, 2^128462833919 is an apocalyptic number.

128462833919 is a deficient number, since it is larger than the sum of its proper divisors (20419646209).

128462833919 is an equidigital number, since it uses as much as digits as its factorization.

128462833919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258476605.

The product of its digits is 4478976, while the sum is 56.

The spelling of 128462833919 in words is "one hundred twenty-eight billion, four hundred sixty-two million, eight hundred thirty-three thousand, nine hundred nineteen".