2768291990 has 16 divisors (see below), whose sum is σ = 4984065648. Its totient is φ = 1107063456.

The previous prime is 2768291987. The next prime is 2768292017. The reversal of 2768291990 is 991928672.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17924 + ... + 76536.

It is an arithmetic number, because the mean of its divisors is an integer number (311504103).

Almost surely, 2^2768291990 is an apocalyptic number.

2768291990 is a deficient number, since it is larger than the sum of its proper divisors (2215773658).

2768291990 is a wasteful number, since it uses less digits than its factorization.

2768291990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63343.

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 2768291990 is about 52614.5606272636. The cubic root of 2768291990 is about 1404.1191593061.

The spelling of 2768291990 in words is "two billion, seven hundred sixty-eight million, two hundred ninety-one thousand, nine hundred ninety".