1799284862646 has 80 divisors (see below), whose sum is σ = 4270402334880. Its totient is φ = 564281752320.

The previous prime is 1799284862623. The next prime is 1799284862653. The reversal of 1799284862646 is 6462684829971.

1799284862646 is a `hidden beast` number, since 1 + 7 + 9 + 9 + 284 + 86 + 264 + 6 = 666.

It is a super-2 number, since 2×1799284862646² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7765015 + ... + 7993373.

It is an arithmetic number, because the mean of its divisors is an integer number (53380029186).

Almost surely, 2^{1799284862646} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1799284862646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2135201167440).

1799284862646 is an abundant number, since it is smaller than the sum of its proper divisors (2471117472234).

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

1799284862646 is a wasteful number, since it uses less digits than its factorization.

1799284862646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231251 (or 231242 counting only the distinct ones).

The product of its digits is 501645312, while the sum is 72.

The spelling of 1799284862646 in words is "one trillion, seven hundred ninety-nine billion, two hundred eighty-four million, eight hundred sixty-two thousand, six hundred forty-six".