2381457405 has 8 divisors (see below), whose sum is σ = 3810331872. Its totient is φ = 1270110608.

The previous prime is 2381457401. The next prime is 2381457431. The reversal of 2381457405 is 5047541832.

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

It is a cyclic number.

It is not a de Polignac number, because 2381457405 - 2² = 2381457401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381457401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79381899 + ... + 79381928.

It is an arithmetic number, because the mean of its divisors is an integer number (476291484).

Almost surely, 2^2381457405 is an apocalyptic number.

It is an amenable number.

2381457405 is a deficient number, since it is larger than the sum of its proper divisors (1428874467).

2381457405 is a wasteful number, since it uses less digits than its factorization.

2381457405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158763835.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 2381457405 is about 48800.1783295922. The cubic root of 2381457405 is about 1335.4089196060.

The spelling of 2381457405 in words is "two billion, three hundred eighty-one million, four hundred fifty-seven thousand, four hundred five".