1901829012 has 24 divisors (see below), whose sum is σ = 4452754656. Its totient is φ = 631778208.

The previous prime is 1901829001. The next prime is 1901829029. The reversal of 1901829012 is 2109281091.

It is a super-2 number, since 2×1901829012² = 7233907181769792288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266938 + ... + 273969.

It is an arithmetic number, because the mean of its divisors is an integer number (185531444).

Almost surely, 2^1901829012 is an apocalyptic number.

1901829012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1901829012 is an abundant number, since it is smaller than the sum of its proper divisors (2550925644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1901829012 is a wasteful number, since it uses less digits than its factorization.

1901829012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541207 (or 541205 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 1901829012 is about 43609.9645952619. The cubic root of 1901829012 is about 1238.9596311828.

The spelling of 1901829012 in words is "one billion, nine hundred one million, eight hundred twenty-nine thousand, twelve".