2781304233 has 8 divisors (see below), whose sum is σ = 3869640768. Its totient is φ = 1773585264.

The previous prime is 2781304217. The next prime is 2781304243. The reversal of 2781304233 is 3324031872.

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

It is not a de Polignac number, because 2781304233 - 2⁴ = 2781304217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2781304194 and 2781304203.

It is not an unprimeable number, because it can be changed into a prime (2781304243) 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, 20154310 + ... + 20154447.

It is an arithmetic number, because the mean of its divisors is an integer number (483705096).

Almost surely, 2^2781304233 is an apocalyptic number.

2781304233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2781304233 is a deficient number, since it is larger than the sum of its proper divisors (1088336535).

2781304233 is a wasteful number, since it uses less digits than its factorization.

2781304233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40308783.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 2781304233 is about 52738.0719499680. The cubic root of 2781304233 is about 1406.3157227871.

The spelling of 2781304233 in words is "two billion, seven hundred eighty-one million, three hundred four thousand, two hundred thirty-three".