2990490473 has 4 divisors (see below), whose sum is σ = 2990923908. Its totient is φ = 2990057040.

The previous prime is 2990490457. The next prime is 2990490493. The reversal of 2990490473 is 3740940992.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1181434384 + 1809056089 = 34372^2 + 42533^2 .

It is a cyclic number.

It is not a de Polignac number, because 2990490473 - 2⁴ = 2990490457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2990490403) 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, 206198 + ... + 220223.

It is an arithmetic number, because the mean of its divisors is an integer number (747730977).

Almost surely, 2^2990490473 is an apocalyptic number.

It is an amenable number.

2990490473 is a deficient number, since it is larger than the sum of its proper divisors (433435).

2990490473 is an equidigital number, since it uses as much as digits as its factorization.

2990490473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433434.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 2990490473 is about 54685.3771405117. The cubic root of 2990490473 is about 1440.7240560426.

The spelling of 2990490473 in words is "two billion, nine hundred ninety million, four hundred ninety thousand, four hundred seventy-three".