2981472391 has 2 divisors, whose sum is σ = 2981472392. Its totient is φ = 2981472390.

The previous prime is 2981472379. The next prime is 2981472407. The reversal of 2981472391 is 1932741892.

It is a happy number.

2981472391 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2981472391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2981472301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1490736195 + 1490736196.

It is an arithmetic number, because the mean of its divisors is an integer number (1490736196).

Almost surely, 2^2981472391 is an apocalyptic number.

2981472391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2981472391 is an equidigital number, since it uses as much as digits as its factorization.

2981472391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 46.

The square root of 2981472391 is about 54602.8606485045. The cubic root of 2981472391 is about 1439.2743886399.

The spelling of 2981472391 in words is "two billion, nine hundred eighty-one million, four hundred seventy-two thousand, three hundred ninety-one".