1870000029 has 6 divisors (see below), whose sum is σ = 2701111166. Its totient is φ = 1246666680.

The previous prime is 1870000009. The next prime is 1870000087. The reversal of 1870000029 is 9200000781.

It can be written as a sum of positive squares in only one way, i.e., 1806080004 + 63920025 = 42498^2 + 7995^2 .

It is not a de Polignac number, because 1870000029 - 2²¹ = 1867902877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1869999957 and 1870000011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1870000009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103888882 + ... + 103888899.

Almost surely, 2^1870000029 is an apocalyptic number.

It is an amenable number.

1870000029 is a deficient number, since it is larger than the sum of its proper divisors (831111137).

1870000029 is a wasteful number, since it uses less digits than its factorization.

1870000029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207777787 (or 207777784 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 1870000029 is about 43243.4969561898. The cubic root of 1870000029 is about 1232.0089735267.

The spelling of 1870000029 in words is "one billion, eight hundred seventy million, twenty-nine", and thus it is an aban number.