2132071787 has 2 divisors, whose sum is σ = 2132071788. Its totient is φ = 2132071786.

The previous prime is 2132071783. The next prime is 2132071801. The reversal of 2132071787 is 7871702312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2132071787 - 2² = 2132071783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2132071787.

It is not a weakly prime, because it can be changed into another prime (2132071783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066035893 + 1066035894.

It is an arithmetic number, because the mean of its divisors is an integer number (1066035894).

Almost surely, 2^2132071787 is an apocalyptic number.

2132071787 is a deficient number, since it is larger than the sum of its proper divisors (1).

2132071787 is an equidigital number, since it uses as much as digits as its factorization.

2132071787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 2132071787 is about 46174.3628759510. The cubic root of 2132071787 is about 1287.0653774405.

The spelling of 2132071787 in words is "two billion, one hundred thirty-two million, seventy-one thousand, seven hundred eighty-seven".