100619642687 has 16 divisors (see below), whose sum is σ = 107969954400. Its totient is φ = 93433021440.

The previous prime is 100619642681. The next prime is 100619642689. The reversal of 100619642687 is 786246916001.

It is a cyclic number.

It is not a de Polignac number, because 100619642687 - 2¹⁶ = 100619577151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100619642681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625364 + ... + 769622.

It is an arithmetic number, because the mean of its divisors is an integer number (6748122150).

Almost surely, 2^100619642687 is an apocalyptic number.

100619642687 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

100619642687 is a deficient number, since it is larger than the sum of its proper divisors (7350311713).

100619642687 is a wasteful number, since it uses less digits than its factorization.

100619642687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144826.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 100619642687 in words is "one hundred billion, six hundred nineteen million, six hundred forty-two thousand, six hundred eighty-seven".