2805463381 has 8 divisors (see below), whose sum is σ = 3230720064. Its totient is φ = 2386325760.

The previous prime is 2805463361. The next prime is 2805463421. The reversal of 2805463381 is 1833645082.

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

It is a de Polignac number, because none of the positive numbers 2^k-2805463381 is a prime.

It is a super-2 number, since 2×2805463381² = 15741249564263902322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2805463361) 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, 1528780 + ... + 1530613.

It is an arithmetic number, because the mean of its divisors is an integer number (403840008).

Almost surely, 2^2805463381 is an apocalyptic number.

It is an amenable number.

2805463381 is a deficient number, since it is larger than the sum of its proper divisors (425256683).

2805463381 is a wasteful number, since it uses less digits than its factorization.

2805463381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059531.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 2805463381 is about 52966.6251615109. The cubic root of 2805463381 is about 1410.3758669667.

The spelling of 2805463381 in words is "two billion, eight hundred five million, four hundred sixty-three thousand, three hundred eighty-one".