100508686697 has 4 divisors (see below), whose sum is σ = 101070187920. Its totient is φ = 99947185476.

The previous prime is 100508686643. The next prime is 100508686699. The reversal of 100508686697 is 796686805001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100508686697 - 2¹² = 100508682601 is a prime.

It is a super-2 number, since 2×100508686697² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100508686699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280750343 + ... + 280750700.

It is an arithmetic number, because the mean of its divisors is an integer number (25267546980).

Almost surely, 2^100508686697 is an apocalyptic number.

It is an amenable number.

100508686697 is a deficient number, since it is larger than the sum of its proper divisors (561501223).

100508686697 is an equidigital number, since it uses as much as digits as its factorization.

100508686697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561501222.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The spelling of 100508686697 in words is "one hundred billion, five hundred eight million, six hundred eighty-six thousand, six hundred ninety-seven".