1009435681862 has 32 divisors (see below), whose sum is σ = 1525010366880. Its totient is φ = 501113283840.

The previous prime is 1009435681841. The next prime is 1009435681873. The reversal of 1009435681862 is 2681865349001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421827338 + ... + 421829730.

It is an arithmetic number, because the mean of its divisors is an integer number (47656573965).

Almost surely, 2^{1009435681862} is an apocalyptic number.

1009435681862 is a deficient number, since it is larger than the sum of its proper divisors (515574685018).

1009435681862 is a wasteful number, since it uses less digits than its factorization.

1009435681862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4808.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 1009435681862 in words is "one trillion, nine billion, four hundred thirty-five million, six hundred eighty-one thousand, eight hundred sixty-two".