2381340561 has 8 divisors (see below), whose sum is σ = 3175987584. Its totient is φ = 1587126960.

The previous prime is 2381340553. The next prime is 2381340571. The reversal of 2381340561 is 1650431832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2381340561 - 2³ = 2381340553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2381340571) 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 in 7 ways as a sum of consecutive naturals, for example, 95310 + ... + 117671.

It is an arithmetic number, because the mean of its divisors is an integer number (396998448).

Almost surely, 2^2381340561 is an apocalyptic number.

It is an amenable number.

2381340561 is a deficient number, since it is larger than the sum of its proper divisors (794647023).

2381340561 is a wasteful number, since it uses less digits than its factorization.

2381340561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216711.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 2381340561 is about 48798.9811471510. The cubic root of 2381340561 is about 1335.3870790486.

The spelling of 2381340561 in words is "two billion, three hundred eighty-one million, three hundred forty thousand, five hundred sixty-one".