2143000726645 has 8 divisors (see below), whose sum is σ = 2571755598720. Its totient is φ = 1714297430160.

The previous prime is 2143000726639. The next prime is 2143000726673. The reversal of 2143000726645 is 5466270003412.

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

It is not a de Polignac number, because 2143000726645 - 2³ = 2143000726637 is a prime.

It is a super-2 number, since 2×2143000726645² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2143000726598 and 2143000726607.

It is a congruent number.

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, 12802425 + ... + 12968734.

It is an arithmetic number, because the mean of its divisors is an integer number (321469449840).

Almost surely, 2^{2143000726645} is an apocalyptic number.

It is an amenable number.

2143000726645 is a deficient number, since it is larger than the sum of its proper divisors (428754872075).

2143000726645 is a wasteful number, since it uses less digits than its factorization.

2143000726645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25787795.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 2143000726645 in words is "two trillion, one hundred forty-three billion, seven hundred twenty-six thousand, six hundred forty-five".