2129832377 has 2 divisors, whose sum is σ = 2129832378. Its totient is φ = 2129832376.

The previous prime is 2129832359. The next prime is 2129832421. The reversal of 2129832377 is 7732389212.

It is an a-pointer prime, because the next prime (2129832421) can be obtained adding 2129832377 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2128530496 + 1301881 = 46136^2 + 1141^2 .

It is a cyclic number.

It is not a de Polignac number, because 2129832377 - 2⁸ = 2129832121 is a prime.

It is not a weakly prime, because it can be changed into another prime (2129832347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064916188 + 1064916189.

It is an arithmetic number, because the mean of its divisors is an integer number (1064916189).

Almost surely, 2^2129832377 is an apocalyptic number.

It is an amenable number.

2129832377 is a deficient number, since it is larger than the sum of its proper divisors (1).

2129832377 is an equidigital number, since it uses as much as digits as its factorization.

2129832377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 44.

The square root of 2129832377 is about 46150.1070096267. The cubic root of 2129832377 is about 1286.6145988741.

The spelling of 2129832377 in words is "two billion, one hundred twenty-nine million, eight hundred thirty-two thousand, three hundred seventy-seven".