990303404303099 has 16 divisors (see below), whose sum is σ = 1032507811587840. Its totient is φ = 948651680340000.

The previous prime is 990303404303009. The next prime is 990303404303123.

It is a happy number.

990303404303099 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 990303404303099 - 2⁴⁴ = 972711218258683 is a prime.

It is a super-2 number, since 2×990303404303099² (a number of 31 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (990303404303009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135874217 + ... + 142976954.

It is an arithmetic number, because the mean of its divisors is an integer number (64531738224240).

Almost surely, 2^{990303404303099} is an apocalyptic number.

990303404303099 is a deficient number, since it is larger than the sum of its proper divisors (42204407284741).

990303404303099 is a wasteful number, since it uses less digits than its factorization.

990303404303099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278852162.

The product of its (nonzero) digits is 8503056, while the sum is 56.

The spelling of 990303404303099 in words is "nine hundred ninety trillion, three hundred three billion, four hundred four million, three hundred three thousand, ninety-nine".