1340874982843 has 4 divisors (see below), whose sum is σ = 1462772708568. Its totient is φ = 1218977257120.

The previous prime is 1340874982801. The next prime is 1340874982849. The reversal of 1340874982843 is 3482894780431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1340874982843 is a prime.

It is a super-2 number, since 2×1340874982843² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340874982849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60948862846 + ... + 60948862867.

It is an arithmetic number, because the mean of its divisors is an integer number (365693177142).

Almost surely, 2^{1340874982843} is an apocalyptic number.

1340874982843 is a deficient number, since it is larger than the sum of its proper divisors (121897725725).

1340874982843 is a wasteful number, since it uses less digits than its factorization.

1340874982843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121897725724.

The product of its (nonzero) digits is 37158912, while the sum is 61.

The spelling of 1340874982843 in words is "one trillion, three hundred forty billion, eight hundred seventy-four million, nine hundred eighty-two thousand, eight hundred forty-three".