994998899499 has 32 divisors (see below), whose sum is σ = 1453913945088. Its totient is φ = 600264000000.

The previous prime is 994998899471. The next prime is 994998899507.

994998899499 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 994998899499 - 2¹² = 994998895403 is a prime.

It is a super-2 number, since 2×994998899499² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (994998899449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18925749 + ... + 18978249.

It is an arithmetic number, because the mean of its divisors is an integer number (45434810784).

Almost surely, 2^994998899499 is an apocalyptic number.

994998899499 is a deficient number, since it is larger than the sum of its proper divisors (458915045589).

994998899499 is a wasteful number, since it uses less digits than its factorization.

994998899499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55139.

The product of its digits is 44079842304, while the sum is 96.

It can be divided in two parts, 99499 and 8899499, that added together give a palindrome (8998998).

The spelling of 994998899499 in words is "nine hundred ninety-four billion, nine hundred ninety-eight million, eight hundred ninety-nine thousand, four hundred ninety-nine".