1829272149 has 18 divisors (see below), whose sum is σ = 2730279318. Its totient is φ = 1180170000.

The previous prime is 1829272141. The next prime is 1829272153. The reversal of 1829272149 is 9412729281.

It can be written as a sum of positive squares in only one way, i.e., 1759215249 + 70056900 = 41943^2 + 8370^2 .

It is not a de Polignac number, because 1829272149 - 2³ = 1829272141 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1829272141) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 97102 + ... + 114399.

Almost surely, 2^1829272149 is an apocalyptic number.

It is an amenable number.

1829272149 is a deficient number, since it is larger than the sum of its proper divisors (901007169).

1829272149 is a wasteful number, since it uses less digits than its factorization.

1829272149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211569 (or 211535 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 1829272149 is about 42769.9912204807. The cubic root of 1829272149 is about 1222.9990154180. Note that the first 3 decimals are identical.

The spelling of 1829272149 in words is "one billion, eight hundred twenty-nine million, two hundred seventy-two thousand, one hundred forty-nine".