2102583945 has 32 divisors (see below), whose sum is σ = 4194247680. Its totient is φ = 873800640.

The previous prime is 2102583937. The next prime is 2102583997. The reversal of 2102583945 is 5493852012.

It is not a de Polignac number, because 2102583945 - 2³ = 2102583937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 909055 + ... + 911364.

It is an arithmetic number, because the mean of its divisors is an integer number (131070240).

Almost surely, 2^2102583945 is an apocalyptic number.

It is an amenable number.

2102583945 is a deficient number, since it is larger than the sum of its proper divisors (2091663735).

2102583945 is a wasteful number, since it uses less digits than its factorization.

2102583945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820445.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 2102583945 is about 45853.9414336434. The cubic root of 2102583945 is about 1281.1041792563.

The spelling of 2102583945 in words is "two billion, one hundred two million, five hundred eighty-three thousand, nine hundred forty-five".