2908144493 has 2 divisors, whose sum is σ = 2908144494. Its totient is φ = 2908144492.

The previous prime is 2908144489. The next prime is 2908144543. The reversal of 2908144493 is 3944418092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2898422569 + 9721924 = 53837^2 + 3118^2 .

It is a cyclic number.

It is not a de Polignac number, because 2908144493 - 2² = 2908144489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2908144433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1454072246 + 1454072247.

It is an arithmetic number, because the mean of its divisors is an integer number (1454072247).

Almost surely, 2^2908144493 is an apocalyptic number.

It is an amenable number.

2908144493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2908144493 is an equidigital number, since it uses as much as digits as its factorization.

2908144493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 2908144493 is about 53927.2147713935. The cubic root of 2908144493 is about 1427.3768876664.

The spelling of 2908144493 in words is "two billion, nine hundred eight million, one hundred forty-four thousand, four hundred ninety-three".