100019629538 has 8 divisors (see below), whose sum is σ = 152488943580. Its totient is φ = 49189981680.

The previous prime is 100019629531. The next prime is 100019629543. The reversal of 100019629538 is 835926910001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 70733125849 + 29286503689 = 265957^2 + 171133^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (100019629531) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 409916393 + ... + 409916636.

Almost surely, 2^100019629538 is an apocalyptic number.

100019629538 is a deficient number, since it is larger than the sum of its proper divisors (52469314042).

100019629538 is an equidigital number, since it uses as much as digits as its factorization.

100019629538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819833092.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 100019629538 in words is "one hundred billion, nineteen million, six hundred twenty-nine thousand, five hundred thirty-eight".