2050977469 has 4 divisors (see below), whose sum is σ = 2121700860. Its totient is φ = 1980254080.

The previous prime is 2050977419. The next prime is 2050977473. The reversal of 2050977469 is 9647790502.

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 1431714244 + 619263225 = 37838^2 + 24885^2 .

It is a cyclic number.

It is not a de Polignac number, because 2050977469 - 2²³ = 2042588861 is a prime.

It is a super-2 number, since 2×2050977469² = 8413017156691291922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2050977419) 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, 35361652 + ... + 35361709.

It is an arithmetic number, because the mean of its divisors is an integer number (530425215).

Almost surely, 2^2050977469 is an apocalyptic number.

2050977469 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2050977469 is a deficient number, since it is larger than the sum of its proper divisors (70723391).

2050977469 is an equidigital number, since it uses as much as digits as its factorization.

2050977469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70723390.

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 2050977469 is about 45287.7187436064. The cubic root of 2050977469 is about 1270.5359651127.

The spelling of 2050977469 in words is "two billion, fifty million, nine hundred seventy-seven thousand, four hundred sixty-nine".