2919782043 has 6 divisors (see below), whose sum is σ = 4217462964. Its totient is φ = 1946521356.

The previous prime is 2919782023. The next prime is 2919782057. The reversal of 2919782043 is 3402879192.

It is not a de Polignac number, because 2919782043 - 2¹⁰ = 2919781019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2919782043.

It is not an unprimeable number, because it can be changed into a prime (2919782023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 162210105 + ... + 162210122.

It is an arithmetic number, because the mean of its divisors is an integer number (702910494).

Almost surely, 2^2919782043 is an apocalyptic number.

2919782043 is a deficient number, since it is larger than the sum of its proper divisors (1297680921).

2919782043 is a wasteful number, since it uses less digits than its factorization.

2919782043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324420233 (or 324420230 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 2919782043 is about 54035.0075691676. The cubic root of 2919782043 is about 1429.2783362104.

The spelling of 2919782043 in words is "two billion, nine hundred nineteen million, seven hundred eighty-two thousand, forty-three".