1673013133 has 4 divisors (see below), whose sum is σ = 1825105248. Its totient is φ = 1520921020.

The previous prime is 1673013119. The next prime is 1673013151. The reversal of 1673013133 is 3313103761.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3313103761 = 11 ⋅301191251.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1673013133 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 (1673013113) 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, 76046041 + ... + 76046062.

It is an arithmetic number, because the mean of its divisors is an integer number (456276312).

Almost surely, 2^1673013133 is an apocalyptic number.

It is an amenable number.

1673013133 is a deficient number, since it is larger than the sum of its proper divisors (152092115).

1673013133 is a wasteful number, since it uses less digits than its factorization.

1673013133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152092114.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 1673013133 is about 40902.4832131253. The cubic root of 1673013133 is about 1187.1341089246.

Adding to 1673013133 its reverse (3313103761), we get a palindrome (4986116894).

The spelling of 1673013133 in words is "one billion, six hundred seventy-three million, thirteen thousand, one hundred thirty-three".