296128439953 has 4 divisors (see below), whose sum is σ = 296504715760. Its totient is φ = 295752164148.

The previous prime is 296128439947. The next prime is 296128439963. The reversal of 296128439953 is 359934821692.

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 296128439953 - 2⁵ = 296128439921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 296128439891 and 296128439900.

It is not an unprimeable number, because it can be changed into a prime (296128439963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188136723 + ... + 188138296.

It is an arithmetic number, because the mean of its divisors is an integer number (74126178940).

Almost surely, 2^296128439953 is an apocalyptic number.

It is an amenable number.

296128439953 is a deficient number, since it is larger than the sum of its proper divisors (376275807).

296128439953 is an equidigital number, since it uses as much as digits as its factorization.

296128439953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376275806.

The product of its digits is 25194240, while the sum is 61.

The spelling of 296128439953 in words is "two hundred ninety-six billion, one hundred twenty-eight million, four hundred thirty-nine thousand, nine hundred fifty-three".