100535921477 has 4 divisors (see below), whose sum is σ = 104002677420. Its totient is φ = 97069165536.

The previous prime is 100535921429. The next prime is 100535921501. The reversal of 100535921477 is 774129535001.

It is a Cunningham number, because it is equal to 317074²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 774129535001 = 87641 ⋅8832961.

It can be written as a sum of positive squares in 2 ways, for example, as 52718915236 + 47817006241 = 229606^2 + 218671^2 .

It is a cyclic number.

It is not a de Polignac number, because 100535921477 - 2⁸ = 100535921221 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 (100535921417) 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, 1733377928 + ... + 1733377985.

It is an arithmetic number, because the mean of its divisors is an integer number (26000669355).

Almost surely, 2^100535921477 is an apocalyptic number.

It is an amenable number.

100535921477 is a deficient number, since it is larger than the sum of its proper divisors (3466755943).

100535921477 is an equidigital number, since it uses as much as digits as its factorization.

100535921477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466755942.

The product of its (nonzero) digits is 264600, while the sum is 44.

The spelling of 100535921477 in words is "one hundred billion, five hundred thirty-five million, nine hundred twenty-one thousand, four hundred seventy-seven".