2687125963 has 4 divisors (see below), whose sum is σ = 2687233528. Its totient is φ = 2687018400.

The previous prime is 2687125933. The next prime is 2687125979. The reversal of 2687125963 is 3695217862.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2687125963 is a prime.

It is a super-3 number, since 3×2687125963³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2687125933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5395 + ... + 73507.

It is an arithmetic number, because the mean of its divisors is an integer number (671808382).

Almost surely, 2^2687125963 is an apocalyptic number.

2687125963 is a deficient number, since it is larger than the sum of its proper divisors (107565).

2687125963 is an equidigital number, since it uses as much as digits as its factorization.

2687125963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107564.

The product of its digits is 1088640, while the sum is 49.

The square root of 2687125963 is about 51837.4957246200. The cubic root of 2687125963 is about 1390.2599384476.

The spelling of 2687125963 in words is "two billion, six hundred eighty-seven million, one hundred twenty-five thousand, nine hundred sixty-three".