2043780479 has 8 divisors (see below), whose sum is σ = 2204405280. Its totient is φ = 1883642976.

The previous prime is 2043780451. The next prime is 2043780503. The reversal of 2043780479 is 9740873402.

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 2043780479 - 2²⁸ = 1775345023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043780449) 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, 113084 + ... + 129905.

It is an arithmetic number, because the mean of its divisors is an integer number (275550660).

Almost surely, 2^2043780479 is an apocalyptic number.

2043780479 is a deficient number, since it is larger than the sum of its proper divisors (160624801).

2043780479 is a wasteful number, since it uses less digits than its factorization.

2043780479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243649.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 2043780479 is about 45208.1903973163. The cubic root of 2043780479 is about 1269.0480971229.

The spelling of 2043780479 in words is "two billion, forty-three million, seven hundred eighty thousand, four hundred seventy-nine".