1409409471149 has 4 divisors (see below), whose sum is σ = 1412351871360. Its totient is φ = 1406467070940.

The previous prime is 1409409471047. The next prime is 1409409471187. The reversal of 1409409471149 is 9411749049041.

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 1409409471149 - 2²⁸ = 1409141035693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1409409471149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409409471199) 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, 1471199387 + ... + 1471200344.

It is an arithmetic number, because the mean of its divisors is an integer number (353087967840).

Almost surely, 2^{1409409471149} is an apocalyptic number.

It is an amenable number.

1409409471149 is a deficient number, since it is larger than the sum of its proper divisors (2942400211).

1409409471149 is an equidigital number, since it uses as much as digits as its factorization.

1409409471149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942400210.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 1409409471149 in words is "one trillion, four hundred nine billion, four hundred nine million, four hundred seventy-one thousand, one hundred forty-nine".