1406740047343 has 4 divisors (see below), whose sum is σ = 1407068039520. Its totient is φ = 1406412055168.

The previous prime is 1406740047329. The next prime is 1406740047347. The reversal of 1406740047343 is 3437400476041.

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-1406740047343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1406740047343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406740047347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163989655 + ... + 163998232.

It is an arithmetic number, because the mean of its divisors is an integer number (351767009880).

Almost surely, 2^{1406740047343} is an apocalyptic number.

1406740047343 is a deficient number, since it is larger than the sum of its proper divisors (327992177).

1406740047343 is an equidigital number, since it uses as much as digits as its factorization.

1406740047343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327992176.

The product of its (nonzero) digits is 677376, while the sum is 43.

The spelling of 1406740047343 in words is "one trillion, four hundred six billion, seven hundred forty million, forty-seven thousand, three hundred forty-three".