2381461591 has 2 divisors, whose sum is σ = 2381461592. Its totient is φ = 2381461590.

The previous prime is 2381461531. The next prime is 2381461597. The reversal of 2381461591 is 1951641832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2381461591 - 2¹⁵ = 2381428823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2381461597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1190730795 + 1190730796.

It is an arithmetic number, because the mean of its divisors is an integer number (1190730796).

Almost surely, 2^2381461591 is an apocalyptic number.

2381461591 is a deficient number, since it is larger than the sum of its proper divisors (1).

2381461591 is an equidigital number, since it uses as much as digits as its factorization.

2381461591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 40.

The square root of 2381461591 is about 48800.2212187609. The cubic root of 2381461591 is about 1335.4097020427.

The spelling of 2381461591 in words is "two billion, three hundred eighty-one million, four hundred sixty-one thousand, five hundred ninety-one".