662043857843 has 16 divisors (see below), whose sum is σ = 685688203200. Its totient is φ = 638724341376.

The previous prime is 662043857837. The next prime is 662043857941. The reversal of 662043857843 is 348758340266.

662043857843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 662043857843 - 2²² = 662039663539 is a prime.

It is a super-2 number, since 2×662043857843² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (662043859843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2003921 + ... + 2310797.

It is an arithmetic number, because the mean of its divisors is an integer number (42855512700).

Almost surely, 2^662043857843 is an apocalyptic number.

662043857843 is a deficient number, since it is larger than the sum of its proper divisors (23644345357).

662043857843 is a wasteful number, since it uses less digits than its factorization.

662043857843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307406.

The product of its (nonzero) digits is 23224320, while the sum is 56.

The spelling of 662043857843 in words is "six hundred sixty-two billion, forty-three million, eight hundred fifty-seven thousand, eight hundred forty-three".