2900890669 has 4 divisors (see below), whose sum is σ = 2907351900. Its totient is φ = 2894429440.

The previous prime is 2900890637. The next prime is 2900890673. The reversal of 2900890669 is 9660980092.

It is a happy number.

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 1104232900 + 1796657769 = 33230^2 + 42387^2 .

It is a cyclic number.

It is not a de Polignac number, because 2900890669 - 2⁵ = 2900890637 is a prime.

It is a super-2 number, since 2×2900890669² = 16830333346982535122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2900890969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3229942 + ... + 3230839.

It is an arithmetic number, because the mean of its divisors is an integer number (726837975).

Almost surely, 2^2900890669 is an apocalyptic number.

It is an amenable number.

2900890669 is a deficient number, since it is larger than the sum of its proper divisors (6461231).

2900890669 is an equidigital number, since it uses as much as digits as its factorization.

2900890669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6461230.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 2900890669 is about 53859.9170905415. The cubic root of 2900890669 is about 1426.1891244315.

The spelling of 2900890669 in words is "two billion, nine hundred million, eight hundred ninety thousand, six hundred sixty-nine".