2906389121 has 2 divisors, whose sum is σ = 2906389122. Its totient is φ = 2906389120.

The previous prime is 2906389081. The next prime is 2906389133. The reversal of 2906389121 is 1219836092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2452230400 + 454158721 = 49520^2 + 21311^2 .

It is a cyclic number.

It is not a de Polignac number, because 2906389121 - 2¹⁰ = 2906388097 is a prime.

It is not a weakly prime, because it can be changed into another prime (2906389151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1453194560 + 1453194561.

It is an arithmetic number, because the mean of its divisors is an integer number (1453194561).

Almost surely, 2^2906389121 is an apocalyptic number.

It is an amenable number.

2906389121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2906389121 is an equidigital number, since it uses as much as digits as its factorization.

2906389121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 2906389121 is about 53910.9369330565. The cubic root of 2906389121 is about 1427.0896390188.

The spelling of 2906389121 in words is "two billion, nine hundred six million, three hundred eighty-nine thousand, one hundred twenty-one".