2133954769 has 2 divisors, whose sum is σ = 2133954770. Its totient is φ = 2133954768.

The previous prime is 2133954751. The next prime is 2133954773. The reversal of 2133954769 is 9674593312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1457330625 + 676624144 = 38175^2 + 26012^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133954769 - 2⁵ = 2133954737 is a prime.

It is a super-2 number, since 2×2133954769² = 9107525912275686722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2133957769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066977384 + 1066977385.

It is an arithmetic number, because the mean of its divisors is an integer number (1066977385).

Almost surely, 2^2133954769 is an apocalyptic number.

It is an amenable number.

2133954769 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133954769 is an equidigital number, since it uses as much as digits as its factorization.

2133954769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 49.

The square root of 2133954769 is about 46194.7482837606. The cubic root of 2133954769 is about 1287.4441651596. Note that the first 3 decimals are identical.

The spelling of 2133954769 in words is "two billion, one hundred thirty-three million, nine hundred fifty-four thousand, seven hundred sixty-nine".