2063121769 has 4 divisors (see below), whose sum is σ = 2063217744. Its totient is φ = 2063025796.

The previous prime is 2063121743. The next prime is 2063121869. The reversal of 2063121769 is 9671213602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2063121769 - 2²¹ = 2061024617 is a prime.

It is a super-2 number, since 2×2063121769² = 8512942867443378722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2063121469) 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, 774 + ... + 64240.

It is an arithmetic number, because the mean of its divisors is an integer number (515804436).

Almost surely, 2^2063121769 is an apocalyptic number.

It is an amenable number.

2063121769 is a deficient number, since it is larger than the sum of its proper divisors (95975).

2063121769 is an equidigital number, since it uses as much as digits as its factorization.

2063121769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95974.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 2063121769 is about 45421.6002470190. The cubic root of 2063121769 is about 1273.0387417253.

The spelling of 2063121769 in words is "two billion, sixty-three million, one hundred twenty-one thousand, seven hundred sixty-nine".