2381113477 has 2 divisors, whose sum is σ = 2381113478. Its totient is φ = 2381113476.

The previous prime is 2381113453. The next prime is 2381113529. The reversal of 2381113477 is 7743111832.

It is a happy number.

2381113477 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 can be written as a sum of positive squares in only one way, i.e., 2331537796 + 49575681 = 48286^2 + 7041^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2381113477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2381113277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1190556738 + 1190556739.

It is an arithmetic number, because the mean of its divisors is an integer number (1190556739).

Almost surely, 2^2381113477 is an apocalyptic number.

It is an amenable number.

2381113477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2381113477 is an equidigital number, since it uses as much as digits as its factorization.

2381113477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 37.

The square root of 2381113477 is about 48796.6543627737. The cubic root of 2381113477 is about 1335.3446303142.

The spelling of 2381113477 in words is "two billion, three hundred eighty-one million, one hundred thirteen thousand, four hundred seventy-seven".