2782021463 has 8 divisors (see below), whose sum is σ = 3052552608. Its totient is φ = 2519565984.

The previous prime is 2782021447. The next prime is 2782021519. The reversal of 2782021463 is 3641202872.

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

It is not a de Polignac number, because 2782021463 - 2⁴ = 2782021447 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 (2782021663) 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, 2018195 + ... + 2019572.

It is an arithmetic number, because the mean of its divisors is an integer number (381569076).

Almost surely, 2^2782021463 is an apocalyptic number.

2782021463 is a deficient number, since it is larger than the sum of its proper divisors (270531145).

2782021463 is a wasteful number, since it uses less digits than its factorization.

2782021463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037833.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 2782021463 is about 52744.8714378943. The cubic root of 2782021463 is about 1406.4365971505.

It can be divided in two parts, 278202146 and 3, that multiplied together give a palindrome (834606438).

The spelling of 2782021463 in words is "two billion, seven hundred eighty-two million, twenty-one thousand, four hundred sixty-three".