2381968405 has 16 divisors (see below), whose sum is σ = 2880541440. Its totient is φ = 1890847168.

The previous prime is 2381968403. The next prime is 2381968487. The reversal of 2381968405 is 5048691832.

It is a cyclic number.

It is not a de Polignac number, because 2381968405 - 2¹ = 2381968403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381968403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346734 + ... + 353536.

It is an arithmetic number, because the mean of its divisors is an integer number (180033840).

Almost surely, 2^2381968405 is an apocalyptic number.

It is an amenable number.

2381968405 is a deficient number, since it is larger than the sum of its proper divisors (498573035).

2381968405 is a wasteful number, since it uses less digits than its factorization.

2381968405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7340.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 2381968405 is about 48805.4136853690. The cubic root of 2381968405 is about 1335.5044276696.

The spelling of 2381968405 in words is "two billion, three hundred eighty-one million, nine hundred sixty-eight thousand, four hundred five".