100434662642 has 4 divisors (see below), whose sum is σ = 150651993966. Its totient is φ = 50217331320.

The previous prime is 100434662611. The next prime is 100434662687. The reversal of 100434662642 is 246266434001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 89388442441 + 11046220201 = 298979^2 + 105101^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100434662596 and 100434662605.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25108665659 + ... + 25108665662.

Almost surely, 2^100434662642 is an apocalyptic number.

100434662642 is a deficient number, since it is larger than the sum of its proper divisors (50217331324).

100434662642 is an equidigital number, since it uses as much as digits as its factorization.

100434662642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50217331323.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 100434662642 in words is "one hundred billion, four hundred thirty-four million, six hundred sixty-two thousand, six hundred forty-two".