2687995250 has 16 divisors (see below), whose sum is σ = 5031927576. Its totient is φ = 1075198000.

The previous prime is 2687995249. The next prime is 2687995291. The reversal of 2687995250 is 525997862.

It can be written as a sum of positive squares in 4 ways, for example, as 634183489 + 2053811761 = 25183^2 + 45319^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2687995192 and 2687995201.

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, 5375741 + ... + 5376240.

Almost surely, 2^2687995250 is an apocalyptic number.

2687995250 is a deficient number, since it is larger than the sum of its proper divisors (2343932326).

2687995250 is a wasteful number, since it uses less digits than its factorization.

2687995250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10751998 (or 10751988 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 53.

The square root of 2687995250 is about 51845.8797784356. The cubic root of 2687995250 is about 1390.4098389498.

The spelling of 2687995250 in words is "two billion, six hundred eighty-seven million, nine hundred ninety-five thousand, two hundred fifty".