2090626969 has 4 divisors (see below), whose sum is σ = 2213605044. Its totient is φ = 1967648896.

The previous prime is 2090626939. The next prime is 2090626973. The reversal of 2090626969 is 9696260902.

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 1746153369 + 344473600 = 41787^2 + 18560^2 .

It is a cyclic number.

It is not a de Polignac number, because 2090626969 - 2⁷ = 2090626841 is a prime.

It is a super-2 number, since 2×2090626969² = 8741442247020253922, 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 not an unprimeable number, because it can be changed into a prime (2090626919) 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, 61489012 + ... + 61489045.

It is an arithmetic number, because the mean of its divisors is an integer number (553401261).

Almost surely, 2^2090626969 is an apocalyptic number.

It is an amenable number.

2090626969 is a deficient number, since it is larger than the sum of its proper divisors (122978075).

2090626969 is a wasteful number, since it uses less digits than its factorization.

2090626969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122978074.

The product of its (nonzero) digits is 629856, while the sum is 49.

The square root of 2090626969 is about 45723.3744270914. The cubic root of 2090626969 is about 1278.6710998536.

The spelling of 2090626969 in words is "two billion, ninety million, six hundred twenty-six thousand, nine hundred sixty-nine".