2133787387 has 2 divisors, whose sum is σ = 2133787388. Its totient is φ = 2133787386.

The previous prime is 2133787361. The next prime is 2133787399. The reversal of 2133787387 is 7837873312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2133787387 - 2²⁷ = 1999569659 is a prime.

It is a super-2 number, since 2×2133787387² = 9106097225840575538, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2133787387.

It is not a weakly prime, because it can be changed into another prime (2133781387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066893693 + 1066893694.

It is an arithmetic number, because the mean of its divisors is an integer number (1066893694).

Almost surely, 2^2133787387 is an apocalyptic number.

2133787387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133787387 is an equidigital number, since it uses as much as digits as its factorization.

2133787387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1185408, while the sum is 49.

The square root of 2133787387 is about 46192.9365487842. The cubic root of 2133787387 is about 1287.4105029945.

The spelling of 2133787387 in words is "two billion, one hundred thirty-three million, seven hundred eighty-seven thousand, three hundred eighty-seven".