2381105745 has 48 divisors (see below), whose sum is σ = 4353960000. Its totient is φ = 1200458880.

The previous prime is 2381105737. The next prime is 2381105767. The reversal of 2381105745 is 5475011832.

2381105745 is a `hidden beast` number, since 2 + 3 + 81 + 1 + 0 + 574 + 5 = 666.

2381105745 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2381105745 - 2³ = 2381105737 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 423855 + ... + 429435.

It is an arithmetic number, because the mean of its divisors is an integer number (90707500).

Almost surely, 2^2381105745 is an apocalyptic number.

It is an amenable number.

2381105745 is a deficient number, since it is larger than the sum of its proper divisors (1972854255).

2381105745 is a wasteful number, since it uses less digits than its factorization.

2381105745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110 (or 6107 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 2381105745 is about 48796.5751359663. The cubic root of 2381105745 is about 1335.3431849265.

The spelling of 2381105745 in words is "two billion, three hundred eighty-one million, one hundred five thousand, seven hundred forty-five".