2103551004 has 96 divisors (see below), whose sum is σ = 5168830464. Its totient is φ = 665026560.

The previous prime is 2103551003. The next prime is 2103551011. The reversal of 2103551004 is 4001553012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103551003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5958892 + ... + 5959244.

It is an arithmetic number, because the mean of its divisors is an integer number (53841984).

Almost surely, 2^2103551004 is an apocalyptic number.

It is an amenable number.

2103551004 is an abundant number, since it is smaller than the sum of its proper divisors (3065279460).

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

2103551004 is a wasteful number, since it uses less digits than its factorization.

2103551004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2103551004 is about 45864.4852145971. The cubic root of 2103551004 is about 1281.3005588012.

The spelling of 2103551004 in words is "two billion, one hundred three million, five hundred fifty-one thousand, four".