1819362940653 has 8 divisors (see below), whose sum is σ = 2491379882848. Its totient is φ = 1180127312784.

The previous prime is 1819362940651. The next prime is 1819362940739. The reversal of 1819362940653 is 3560492639181.

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

It is not a de Polignac number, because 1819362940653 - 2¹ = 1819362940651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1819362940593 and 1819362940602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1819362940651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8195328451 + ... + 8195328672.

It is an arithmetic number, because the mean of its divisors is an integer number (311422485356).

Almost surely, 2^{1819362940653} is an apocalyptic number.

It is an amenable number.

1819362940653 is a deficient number, since it is larger than the sum of its proper divisors (672016942195).

1819362940653 is a wasteful number, since it uses less digits than its factorization.

1819362940653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16390657163.

The product of its (nonzero) digits is 8398080, while the sum is 57.

The spelling of 1819362940653 in words is "one trillion, eight hundred nineteen billion, three hundred sixty-two million, nine hundred forty thousand, six hundred fifty-three".