2102641015 has 4 divisors (see below), whose sum is σ = 2523169224. Its totient is φ = 1682112808.

The previous prime is 2102640983. The next prime is 2102641019. The reversal of 2102641015 is 5101462012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2102641015 - 2⁵ = 2102640983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102641019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210264097 + ... + 210264106.

It is an arithmetic number, because the mean of its divisors is an integer number (630792306).

Almost surely, 2^2102641015 is an apocalyptic number.

2102641015 is a deficient number, since it is larger than the sum of its proper divisors (420528209).

2102641015 is an equidigital number, since it uses as much as digits as its factorization.

2102641015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420528208.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 2102641015 is about 45854.5637314324. The cubic root of 2102641015 is about 1281.1157700664.

The spelling of 2102641015 in words is "two billion, one hundred two million, six hundred forty-one thousand, fifteen".