2003902549 has 8 divisors (see below), whose sum is σ = 2187603648. Its totient is φ = 1820456160.

The previous prime is 2003902541. The next prime is 2003902559. The reversal of 2003902549 is 9452093002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2003902549 - 2³ = 2003902541 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 (2003902541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47032 + ... + 78865.

It is an arithmetic number, because the mean of its divisors is an integer number (273450456).

Almost surely, 2^2003902549 is an apocalyptic number.

It is an amenable number.

2003902549 is a deficient number, since it is larger than the sum of its proper divisors (183701099).

2003902549 is a wasteful number, since it uses less digits than its factorization.

2003902549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127355.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 2003902549 is about 44764.9701105675. The cubic root of 2003902549 is about 1260.7400013981.

The spelling of 2003902549 in words is "two billion, three million, nine hundred two thousand, five hundred forty-nine".