21096306035 has 12 divisors (see below), whose sum is σ = 28933255344. Its totient is φ = 14465449200.

The previous prime is 21096306019. The next prime is 21096306047. The reversal of 21096306035 is 53060369012.

It is not a de Polignac number, because 21096306035 - 2⁴ = 21096306019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 21096305986 and 21096306004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 847010 + ... + 871560.

It is an arithmetic number, because the mean of its divisors is an integer number (2411104612).

Almost surely, 2^21096306035 is an apocalyptic number.

21096306035 is a deficient number, since it is larger than the sum of its proper divisors (7836949309).

21096306035 is an frugal number, since it uses more digits than its factorization.

21096306035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49114 (or 24563 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 35.

Multiplying 21096306035 by its sum of digits (35), we get a square (738370711225 = 859285²).

21096306035 divided by its sum of digits (35) gives a square (602751601 = 24551²).

The spelling of 21096306035 in words is "twenty-one billion, ninety-six million, three hundred six thousand, thirty-five".