2129992741 has 2 divisors, whose sum is σ = 2129992742. Its totient is φ = 2129992740.

The previous prime is 2129992703. The next prime is 2129992757. The reversal of 2129992741 is 1472999212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1546770241 + 583222500 = 39329^2 + 24150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2129992741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2129992691 and 2129992700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2129992541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064996370 + 1064996371.

It is an arithmetic number, because the mean of its divisors is an integer number (1064996371).

Almost surely, 2^2129992741 is an apocalyptic number.

It is an amenable number.

2129992741 is a deficient number, since it is larger than the sum of its proper divisors (1).

2129992741 is an equidigital number, since it uses as much as digits as its factorization.

2129992741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 46.

The square root of 2129992741 is about 46151.8443943468. The cubic root of 2129992741 is about 1286.6468895976.

The spelling of 2129992741 in words is "two billion, one hundred twenty-nine million, nine hundred ninety-two thousand, seven hundred forty-one".