2132869121 has 2 divisors, whose sum is σ = 2132869122. Its totient is φ = 2132869120.

The previous prime is 2132869093. The next prime is 2132869127. The reversal of 2132869121 is 1219682312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2121063025 + 11806096 = 46055^2 + 3436^2 .

It is a cyclic number.

It is not a de Polignac number, because 2132869121 - 2¹⁴ = 2132852737 is a prime.

It is not a weakly prime, because it can be changed into another prime (2132869127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066434560 + 1066434561.

It is an arithmetic number, because the mean of its divisors is an integer number (1066434561).

It is a Proth number, since it is equal to 32545 ⋅ 2¹⁶ + 1 and 32545 < 2¹⁶.

Almost surely, 2^2132869121 is an apocalyptic number.

It is an amenable number.

2132869121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2132869121 is an equidigital number, since it uses as much as digits as its factorization.

2132869121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 35.

The square root of 2132869121 is about 46182.9960158498. The cubic root of 2132869121 is about 1287.2257993507.

The spelling of 2132869121 in words is "two billion, one hundred thirty-two million, eight hundred sixty-nine thousand, one hundred twenty-one".