10126781674 has 16 divisors (see below), whose sum is σ = 15607308168. Its totient is φ = 4924461312.

The previous prime is 10126781669. The next prime is 10126781683. The reversal of 10126781674 is 47618762101.

It can be written as a sum of positive squares in 4 ways, for example, as 10021411449 + 105370225 = 100107^2 + 10265^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10126781674.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 155334 + ... + 210670.

Almost surely, 2^10126781674 is an apocalyptic number.

10126781674 is a deficient number, since it is larger than the sum of its proper divisors (5480526494).

10126781674 is a wasteful number, since it uses less digits than its factorization.

10126781674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57849.

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 10126781674 in words is "ten billion, one hundred twenty-six million, seven hundred eighty-one thousand, six hundred seventy-four".