2143000726646 has 128 divisors (see below), whose sum is σ = 3702740428800. Its totient is φ = 923297356800.

The previous prime is 2143000726639. The next prime is 2143000726673. The reversal of 2143000726646 is 6466270003412.

It is a super-2 number, since 2×2143000726646² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1531808255 + ... + 1531809653.

It is an arithmetic number, because the mean of its divisors is an integer number (28927659600).

Almost surely, 2^{2143000726646} is an apocalyptic number.

2143000726646 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2143000726646 is a deficient number, since it is larger than the sum of its proper divisors (1559739702154).

2143000726646 is a wasteful number, since it uses less digits than its factorization.

2143000726646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110.

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 2143000726646 in words is "two trillion, one hundred forty-three billion, seven hundred twenty-six thousand, six hundred forty-six".