1679437743037 has 4 divisors (see below), whose sum is σ = 1680223630876. Its totient is φ = 1678651855200.

The previous prime is 1679437743029. The next prime is 1679437743103. The reversal of 1679437743037 is 7303477349761.

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

It can be written as a sum of positive squares in 2 ways, for example, as 979983183481 + 699454559556 = 989941^2 + 836334^2 .

It is a cyclic number.

It is not a de Polignac number, because 1679437743037 - 2³ = 1679437743029 is a prime.

It is a super-2 number, since 2×1679437743037² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1679437743637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392940714 + ... + 392944987.

It is an arithmetic number, because the mean of its divisors is an integer number (420055907719).

Almost surely, 2^{1679437743037} is an apocalyptic number.

It is an amenable number.

1679437743037 is a deficient number, since it is larger than the sum of its proper divisors (785887839).

1679437743037 is an equidigital number, since it uses as much as digits as its factorization.

1679437743037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785887838.

The product of its (nonzero) digits is 56010528, while the sum is 61.

The spelling of 1679437743037 in words is "one trillion, six hundred seventy-nine billion, four hundred thirty-seven million, seven hundred forty-three thousand, thirty-seven".