1780791144483 has 12 divisors (see below), whose sum is σ = 2571083073240. Its totient is φ = 1095871473216.

The previous prime is 1780791144463. The next prime is 1780791144487. The reversal of 1780791144483 is 3844411970871.

It is a happy number.

It is not a de Polignac number, because 1780791144483 - 2¹³ = 1780791136291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1780791144487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1756203778 + ... + 1756204791.

It is an arithmetic number, because the mean of its divisors is an integer number (214256922770).

Almost surely, 2^{1780791144483} is an apocalyptic number.

1780791144483 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1780791144483 is a deficient number, since it is larger than the sum of its proper divisors (790291928757).

1780791144483 is a wasteful number, since it uses less digits than its factorization.

1780791144483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3512408598 (or 3512408585 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 57.

The spelling of 1780791144483 in words is "one trillion, seven hundred eighty billion, seven hundred ninety-one million, one hundred forty-four thousand, four hundred eighty-three".