1819360864078 has 8 divisors (see below), whose sum is σ = 2734935555168. Its totient is φ = 907715679024.

The previous prime is 1819360864063. The next prime is 1819360864081. The reversal of 1819360864078 is 8704680639181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 982375351 + ... + 982377202.

It is an arithmetic number, because the mean of its divisors is an integer number (341866944396).

Almost surely, 2^{1819360864078} is an apocalyptic number.

1819360864078 is a deficient number, since it is larger than the sum of its proper divisors (915574691090).

1819360864078 is a wasteful number, since it uses less digits than its factorization.

1819360864078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964753018.

The product of its (nonzero) digits is 13934592, while the sum is 61.

The spelling of 1819360864078 in words is "one trillion, eight hundred nineteen billion, three hundred sixty million, eight hundred sixty-four thousand, seventy-eight".