2043345662105 has 64 divisors (see below), whose sum is σ = 2803986097920. Its totient is φ = 1417461498880.

The previous prime is 2043345662087. The next prime is 2043345662143. The reversal of 2043345662105 is 5012665433402.

It is not a de Polignac number, because 2043345662105 - 2⁶ = 2043345662041 is a prime.

It is a super-2 number, since 2×2043345662105² (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 63 ways as a sum of consecutive naturals, for example, 111326609 + ... + 111344961.

It is an arithmetic number, because the mean of its divisors is an integer number (43812282780).

Almost surely, 2^{2043345662105} is an apocalyptic number.

It is an amenable number.

2043345662105 is a deficient number, since it is larger than the sum of its proper divisors (760640435815).

2043345662105 is an equidigital number, since it uses as much as digits as its factorization.

2043345662105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18539 (or 18481 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 2043345662105 in words is "two trillion, forty-three billion, three hundred forty-five million, six hundred sixty-two thousand, one hundred five".