2103747816 has 32 divisors (see below), whose sum is σ = 5289780960. Its totient is φ = 697194432.

The previous prime is 2103747769. The next prime is 2103747853. The reversal of 2103747816 is 6187473012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249190 + ... + 257493.

It is an arithmetic number, because the mean of its divisors is an integer number (165305655).

Almost surely, 2^2103747816 is an apocalyptic number.

It is an amenable number.

2103747816 is an abundant number, since it is smaller than the sum of its proper divisors (3186033144).

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

2103747816 is a wasteful number, since it uses less digits than its factorization.

2103747816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506865 (or 506861 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 2103747816 is about 45866.6307461100. The cubic root of 2103747816 is about 1281.3405178135.

The spelling of 2103747816 in words is "two billion, one hundred three million, seven hundred forty-seven thousand, eight hundred sixteen".