1611472449494 has 4 divisors (see below), whose sum is σ = 2417208674244. Its totient is φ = 805736224746.

The previous prime is 1611472449491. The next prime is 1611472449553. The reversal of 1611472449494 is 4949442741161.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1611472449491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402868112372 + ... + 402868112375.

It is an arithmetic number, because the mean of its divisors is an integer number (604302168561).

Almost surely, 2^{1611472449494} is an apocalyptic number.

1611472449494 is a deficient number, since it is larger than the sum of its proper divisors (805736224750).

1611472449494 is an equidigital number, since it uses as much as digits as its factorization.

1611472449494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805736224749.

The product of its digits is 6967296, while the sum is 56.

The spelling of 1611472449494 in words is "one trillion, six hundred eleven billion, four hundred seventy-two million, four hundred forty-nine thousand, four hundred ninety-four".