1809235364496 has 480 divisors, whose sum is σ = 5726570047488. Its totient is φ = 491269954560.

The previous prime is 1809235364459. The next prime is 1809235364539. The reversal of 1809235364496 is 6944635329081.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5213934595 + ... + 5213934941.

Almost surely, 2^{1809235364496} is an apocalyptic number.

1809235364496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1809235364496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2863285023744).

1809235364496 is an abundant number, since it is smaller than the sum of its proper divisors (3917334682992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1809235364496 is an equidigital number, since it uses as much as digits as its factorization.

1809235364496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 60.

The spelling of 1809235364496 in words is "one trillion, eight hundred nine billion, two hundred thirty-five million, three hundred sixty-four thousand, four hundred ninety-six".