1407845407849 has 4 divisors (see below), whose sum is σ = 1408038033220. Its totient is φ = 1407652782480.

The previous prime is 1407845407799. The next prime is 1407845407897. The reversal of 1407845407849 is 9487045487041.

It is a happy number.

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 881640247849 + 526205160000 = 938957^2 + 725400^2 .

It is a cyclic number.

It is not a de Polignac number, because 1407845407849 - 2⁹ = 1407845407337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1407845207849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96301722 + ... + 96316339.

It is an arithmetic number, because the mean of its divisors is an integer number (352009508305).

Almost surely, 2^{1407845407849} is an apocalyptic number.

It is an amenable number.

1407845407849 is a deficient number, since it is larger than the sum of its proper divisors (192625371).

1407845407849 is an equidigital number, since it uses as much as digits as its factorization.

1407845407849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192625370.

The product of its (nonzero) digits is 36126720, while the sum is 61.

The spelling of 1407845407849 in words is "one trillion, four hundred seven billion, eight hundred forty-five million, four hundred seven thousand, eight hundred forty-nine".