2133356769 has 6 divisors (see below), whose sum is σ = 3081515346. Its totient is φ = 1422237840.

The previous prime is 2133356761. The next prime is 2133356801. The reversal of 2133356769 is 9676533312.

2133356769 is a `hidden beast` number, since 21 + 3 + 3 + 3 + 567 + 69 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1951430625 + 181926144 = 44175^2 + 13488^2 .

It is not a de Polignac number, because 2133356769 - 2³ = 2133356761 is a prime.

It is a super-2 number, since 2×2133356769² = 9102422207676238722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2133356761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118519812 + ... + 118519829.

It is an arithmetic number, because the mean of its divisors is an integer number (513585891).

Almost surely, 2^2133356769 is an apocalyptic number.

It is an amenable number.

2133356769 is a deficient number, since it is larger than the sum of its proper divisors (948158577).

2133356769 is a wasteful number, since it uses less digits than its factorization.

2133356769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237039647 (or 237039644 counting only the distinct ones).

The product of its digits is 612360, while the sum is 45.

The square root of 2133356769 is about 46188.2752330069. The cubic root of 2133356769 is about 1287.3238933918.

The spelling of 2133356769 in words is "two billion, one hundred thirty-three million, three hundred fifty-six thousand, seven hundred sixty-nine".