1373746307843 has 32 divisors (see below), whose sum is σ = 1764997979136. Its totient is φ = 1039237423488.

The previous prime is 1373746307839. The next prime is 1373746307849. The reversal of 1373746307843 is 3487036473731.

It is a cyclic number.

It is not a de Polignac number, because 1373746307843 - 2² = 1373746307839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1373746307849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5030405 + ... + 5296457.

It is an arithmetic number, because the mean of its divisors is an integer number (55156186848).

Almost surely, 2^{1373746307843} is an apocalyptic number.

1373746307843 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1373746307843 is a deficient number, since it is larger than the sum of its proper divisors (391251671293).

1373746307843 is a wasteful number, since it uses less digits than its factorization.

1373746307843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268563.

The product of its (nonzero) digits is 21337344, while the sum is 56.

The spelling of 1373746307843 in words is "one trillion, three hundred seventy-three billion, seven hundred forty-six million, three hundred seven thousand, eight hundred forty-three".