99440252003 has 4 divisors (see below), whose sum is σ = 102869226240. Its totient is φ = 96011277768.

The previous prime is 99440251973. The next prime is 99440252011. The reversal of 99440252003 is 30025204499.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30025204499 = 19 ⋅1580273921.

It is a cyclic number.

It is not a de Polignac number, because 99440252003 - 2¹⁶ = 99440186467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99440252033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1714487075 + ... + 1714487132.

It is an arithmetic number, because the mean of its divisors is an integer number (25717306560).

Almost surely, 2^99440252003 is an apocalyptic number.

99440252003 is a deficient number, since it is larger than the sum of its proper divisors (3428974237).

99440252003 is a wasteful number, since it uses less digits than its factorization.

99440252003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3428974236.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 99440252003 in words is "ninety-nine billion, four hundred forty million, two hundred fifty-two thousand, three".