1674988129 has 4 divisors (see below), whose sum is σ = 1715841540. Its totient is φ = 1634134720.

The previous prime is 1674988103. The next prime is 1674988153. The reversal of 1674988129 is 9218894761.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 173580625 + 1501407504 = 13175^2 + 38748^2 .

It is a cyclic number.

It is not a de Polignac number, because 1674988129 - 2¹⁵ = 1674955361 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 1674988129.

It is not an unprimeable number, because it can be changed into a prime (1674988169) 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, 20426644 + ... + 20426725.

It is an arithmetic number, because the mean of its divisors is an integer number (428960385).

Almost surely, 2^1674988129 is an apocalyptic number.

It is an amenable number.

1674988129 is a deficient number, since it is larger than the sum of its proper divisors (40853411).

1674988129 is an equidigital number, since it uses as much as digits as its factorization.

1674988129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40853410.

The product of its digits is 1741824, while the sum is 55.

The square root of 1674988129 is about 40926.6188317579. The cubic root of 1674988129 is about 1187.6010634430.

The spelling of 1674988129 in words is "one billion, six hundred seventy-four million, nine hundred eighty-eight thousand, one hundred twenty-nine".