2102610642 has 64 divisors (see below), whose sum is σ = 5038986240. Its totient is φ = 577368000.

The previous prime is 2102610613. The next prime is 2102610691. The reversal of 2102610642 is 2460162012.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 7609 + ... + 65292.

It is an arithmetic number, because the mean of its divisors is an integer number (78734160).

Almost surely, 2^2102610642 is an apocalyptic number.

2102610642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2102610642 is an abundant number, since it is smaller than the sum of its proper divisors (2936375598).

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

2102610642 is a wasteful number, since it uses less digits than its factorization.

2102610642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72959.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2102610642 is about 45854.2325418276. The cubic root of 2102610642 is about 1281.1096013931.

Adding to 2102610642 its reverse (2460162012), we get a palindrome (4562772654).

The spelling of 2102610642 in words is "two billion, one hundred two million, six hundred ten thousand, six hundred forty-two".