1802745985019 has 16 divisors (see below), whose sum is σ = 2127535914240. Its totient is φ = 1495429115040.

The previous prime is 1802745985003. The next prime is 1802745985067. The reversal of 1802745985019 is 9105895472081.

It is not a de Polignac number, because 1802745985019 - 2⁴ = 1802745985003 is a prime.

It is a super-2 number, since 2×1802745985019² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1802745985919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27440537 + ... + 27506154.

It is an arithmetic number, because the mean of its divisors is an integer number (132970994640).

Almost surely, 2^{1802745985019} is an apocalyptic number.

1802745985019 is a deficient number, since it is larger than the sum of its proper divisors (324789929221).

1802745985019 is a wasteful number, since it uses less digits than its factorization.

1802745985019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54946850.

The product of its (nonzero) digits is 7257600, while the sum is 59.

The spelling of 1802745985019 in words is "one trillion, eight hundred two billion, seven hundred forty-five million, nine hundred eighty-five thousand, nineteen".