1461673613 has 4 divisors (see below), whose sum is σ = 1462164000. Its totient is φ = 1461183228.

The previous prime is 1461673597. The next prime is 1461673637. The reversal of 1461673613 is 3163761641.

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 1461673613 - 2⁴ = 1461673597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461673693) 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, 240695 + ... + 246692.

It is an arithmetic number, because the mean of its divisors is an integer number (365541000).

Almost surely, 2^1461673613 is an apocalyptic number.

It is an amenable number.

1461673613 is a deficient number, since it is larger than the sum of its proper divisors (490387).

1461673613 is an equidigital number, since it uses as much as digits as its factorization.

1461673613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490386.

The product of its digits is 54432, while the sum is 38.

The square root of 1461673613 is about 38231.8403036003. The cubic root of 1461673613 is about 1134.8805046689.

The spelling of 1461673613 in words is "one billion, four hundred sixty-one million, six hundred seventy-three thousand, six hundred thirteen".