1956782468 has 12 divisors (see below), whose sum is σ = 3425159052. Its totient is φ = 978165600.

The previous prime is 1956782459. The next prime is 1956782473. The reversal of 1956782468 is 8642876591.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 773284864 + 1183497604 = 27808^2 + 34402^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36083 + ... + 72218.

It is an arithmetic number, because the mean of its divisors is an integer number (285429921).

Almost surely, 2^1956782468 is an apocalyptic number.

It is an amenable number.

1956782468 is a deficient number, since it is larger than the sum of its proper divisors (1468376584).

1956782468 is a wasteful number, since it uses less digits than its factorization.

1956782468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112822 (or 112820 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 56.

The square root of 1956782468 is about 44235.5339970029. The cubic root of 1956782468 is about 1250.7797733017.

The spelling of 1956782468 in words is "one billion, nine hundred fifty-six million, seven hundred eighty-two thousand, four hundred sixty-eight".