4054031491 has 2 divisors, whose sum is σ = 4054031492. Its totient is φ = 4054031490.

The previous prime is 4054031489. The next prime is 4054031521. The reversal of 4054031491 is 1941304504.

4054031491 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 not a de Polignac number, because 4054031491 - 2¹ = 4054031489 is a prime.

Together with 4054031489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4054031461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2027015745 + 2027015746.

It is an arithmetic number, because the mean of its divisors is an integer number (2027015746).

Almost surely, 2^4054031491 is an apocalyptic number.

4054031491 is a deficient number, since it is larger than the sum of its proper divisors (1).

4054031491 is an equidigital number, since it uses as much as digits as its factorization.

4054031491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 4054031491 is about 63671.2768130183. The cubic root of 4054031491 is about 1594.5165794204.

Adding to 4054031491 its reverse (1941304504), we get a palindrome (5995335995).

The spelling of 4054031491 in words is "four billion, fifty-four million, thirty-one thousand, four hundred ninety-one".