2133021796 has 6 divisors (see below), whose sum is σ = 3732788150. Its totient is φ = 1066510896.

The previous prime is 2133021767. The next prime is 2133021797. The reversal of 2133021796 is 6971203312.

It can be written as a sum of positive squares in only one way, i.e., 2006144100 + 126877696 = 44790^2 + 11264^2 .

It is a super-2 number, since 2×2133021796² = 9099563964422131232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2133021797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266627721 + ... + 266627728.

Almost surely, 2^2133021796 is an apocalyptic number.

It is an amenable number.

2133021796 is a deficient number, since it is larger than the sum of its proper divisors (1599766354).

2133021796 is a wasteful number, since it uses less digits than its factorization.

2133021796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533255453 (or 533255451 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 2133021796 is about 46184.6489214761. The cubic root of 2133021796 is about 1287.2565126760.

The spelling of 2133021796 in words is "two billion, one hundred thirty-three million, twenty-one thousand, seven hundred ninety-six".