2906055391 has 2 divisors, whose sum is σ = 2906055392. Its totient is φ = 2906055390.

The previous prime is 2906055389. The next prime is 2906055457. The reversal of 2906055391 is 1935506092.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2906055391 - 2¹ = 2906055389 is a prime.

Together with 2906055389, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2906055791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1453027695 + 1453027696.

It is an arithmetic number, because the mean of its divisors is an integer number (1453027696).

Almost surely, 2^2906055391 is an apocalyptic number.

2906055391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2906055391 is an equidigital number, since it uses as much as digits as its factorization.

2906055391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 2906055391 is about 53907.8416466473. The cubic root of 2906055391 is about 1427.0350144388.

The spelling of 2906055391 in words is "two billion, nine hundred six million, fifty-five thousand, three hundred ninety-one".