2122709769 has 12 divisors (see below), whose sum is σ = 3140920692. Its totient is φ = 1380624000.

The previous prime is 2122709759. The next prime is 2122709783. The reversal of 2122709769 is 9679072212.

It can be written as a sum of positive squares in 2 ways, for example, as 48818169 + 2073891600 = 6987^2 + 45540^2 .

It is not a de Polignac number, because 2122709769 - 2⁴ = 2122709753 is a prime.

It is a super-3 number, since 3×2122709769³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2122709759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2875932 + ... + 2876669.

It is an arithmetic number, because the mean of its divisors is an integer number (261743391).

Almost surely, 2^2122709769 is an apocalyptic number.

It is an amenable number.

2122709769 is a deficient number, since it is larger than the sum of its proper divisors (1018210923).

2122709769 is a wasteful number, since it uses less digits than its factorization.

2122709769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5752648 (or 5752645 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 2122709769 is about 46072.8745467439. The cubic root of 2122709769 is about 1285.1787603762.

The spelling of 2122709769 in words is "two billion, one hundred twenty-two million, seven hundred nine thousand, seven hundred sixty-nine".