2179929293 has 2 divisors, whose sum is σ = 2179929294. Its totient is φ = 2179929292.

The previous prime is 2179929263. The next prime is 2179929343. The reversal of 2179929293 is 3929299712.

2179929293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2175009769 + 4919524 = 46637^2 + 2218^2 .

It is a cyclic number.

It is not a de Polignac number, because 2179929293 - 2²² = 2175734989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2179929203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1089964646 + 1089964647.

It is an arithmetic number, because the mean of its divisors is an integer number (1089964647).

Almost surely, 2^2179929293 is an apocalyptic number.

It is an amenable number.

2179929293 is a deficient number, since it is larger than the sum of its proper divisors (1).

2179929293 is an equidigital number, since it uses as much as digits as its factorization.

2179929293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1102248, while the sum is 53.

The square root of 2179929293 is about 46689.7129247975. The cubic root of 2179929293 is about 1296.6242382597.

The spelling of 2179929293 in words is "two billion, one hundred seventy-nine million, nine hundred twenty-nine thousand, two hundred ninety-three".