2081915510 has 16 divisors (see below), whose sum is σ = 3876670800. Its totient is φ = 804050016.

The previous prime is 2081915509. The next prime is 2081915573. The reversal of 2081915510 is 155191802.

It is a congruent number.

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, 3589220 + ... + 3589799.

It is an arithmetic number, because the mean of its divisors is an integer number (242291925).

Almost surely, 2^2081915510 is an apocalyptic number.

2081915510 is a deficient number, since it is larger than the sum of its proper divisors (1794755290).

2081915510 is a wasteful number, since it uses less digits than its factorization.

2081915510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7179055.

The product of its (nonzero) digits is 3600, while the sum is 32.

The square root of 2081915510 is about 45628.0123389130. The cubic root of 2081915510 is about 1276.8925905334.

The spelling of 2081915510 in words is "two billion, eighty-one million, nine hundred fifteen thousand, five hundred ten".