2145582019583 has 4 divisors (see below), whose sum is σ = 2145850460208. Its totient is φ = 2145313578960.

The previous prime is 2145582019577. The next prime is 2145582019601. The reversal of 2145582019583 is 3859102855412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2145582019583 - 2⁸ = 2145582019327 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 (2145582019573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134208323 + ... + 134224308.

It is an arithmetic number, because the mean of its divisors is an integer number (536462615052).

Almost surely, 2^{2145582019583} is an apocalyptic number.

2145582019583 is a deficient number, since it is larger than the sum of its proper divisors (268440625).

2145582019583 is an equidigital number, since it uses as much as digits as its factorization.

2145582019583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268440624.

The product of its (nonzero) digits is 3456000, while the sum is 53.

The spelling of 2145582019583 in words is "two trillion, one hundred forty-five billion, five hundred eighty-two million, nineteen thousand, five hundred eighty-three".