1204309404149 has 4 divisors (see below), whose sum is σ = 1210361210400. Its totient is φ = 1198257597900.

The previous prime is 1204309404119. The next prime is 1204309404161. The reversal of 1204309404149 is 9414049034021.

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 a cyclic number.

It is not a de Polignac number, because 1204309404149 - 2⁴⁰ = 104797776373 is a prime.

It is a super-2 number, since 2×1204309404149² (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 (1204309404119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3025902827 + ... + 3025903224.

It is an arithmetic number, because the mean of its divisors is an integer number (302590302600).

Almost surely, 2^{1204309404149} is an apocalyptic number.

It is an amenable number.

1204309404149 is a deficient number, since it is larger than the sum of its proper divisors (6051806251).

1204309404149 is an equidigital number, since it uses as much as digits as its factorization.

1204309404149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6051806250.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 1204309404149 in words is "one trillion, two hundred four billion, three hundred nine million, four hundred four thousand, one hundred forty-nine".