1864648464682 has 16 divisors (see below), whose sum is σ = 2945281753440. Its totient is φ = 882924545808.

The previous prime is 1864648464677. The next prime is 1864648464697. The reversal of 1864648464682 is 2864648464681.

It is a super-2 number, since 2×1864648464682² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9063328 + ... + 9266779.

It is an arithmetic number, because the mean of its divisors is an integer number (184080109590).

Almost surely, 2^{1864648464682} is an apocalyptic number.

1864648464682 is a deficient number, since it is larger than the sum of its proper divisors (1080633288758).

1864648464682 is a wasteful number, since it uses less digits than its factorization.

1864648464682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18332805.

The product of its digits is 339738624, while the sum is 67.

Subtracting 1864648464682 from its reverse (2864648464681), we obtain a palindrome (999999999999).

The spelling of 1864648464682 in words is "one trillion, eight hundred sixty-four billion, six hundred forty-eight million, four hundred sixty-four thousand, six hundred eighty-two".