1670350203849 has 4 divisors (see below), whose sum is σ = 2227133605136. Its totient is φ = 1113566802564.

The previous prime is 1670350203827. The next prime is 1670350203857. The reversal of 1670350203849 is 9483020530761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1670350203849 - 2⁵ = 1670350203817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1670350203798 and 1670350203807.

It is not an unprimeable number, because it can be changed into a prime (1670350203749) 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, 278391700639 + ... + 278391700644.

It is an arithmetic number, because the mean of its divisors is an integer number (556783401284).

It is a 1-persistent number, because it is pandigital, but 2⋅1670350203849 = 3340700407698 is not.

Almost surely, 2^{1670350203849} is an apocalyptic number.

It is an amenable number.

1670350203849 is a deficient number, since it is larger than the sum of its proper divisors (556783401287).

1670350203849 is an equidigital number, since it uses as much as digits as its factorization.

1670350203849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556783401286.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 1670350203849 in words is "one trillion, six hundred seventy billion, three hundred fifty million, two hundred three thousand, eight hundred forty-nine".