2102549736 has 32 divisors (see below), whose sum is σ = 6007285440. Its totient is φ = 600728448.

The previous prime is 2102549731. The next prime is 2102549833. The reversal of 2102549736 is 6379452012.

It is a junction number, because it is equal to n+sod(n) for n = 2102549694 and 2102549703.

It is not an unprimeable number, because it can be changed into a prime (2102549731) by changing a digit.

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, 6257421 + ... + 6257756.

It is an arithmetic number, because the mean of its divisors is an integer number (187727670).

Almost surely, 2^2102549736 is an apocalyptic number.

It is an amenable number.

2102549736 is an abundant number, since it is smaller than the sum of its proper divisors (3904735704).

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

2102549736 is a wasteful number, since it uses less digits than its factorization.

2102549736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12515193 (or 12515189 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 2102549736 is about 45853.5684107573. The cubic root of 2102549736 is about 1281.0972313719.

The spelling of 2102549736 in words is "two billion, one hundred two million, five hundred forty-nine thousand, seven hundred thirty-six".