2103640535 has 4 divisors (see below), whose sum is σ = 2524368648. Its totient is φ = 1682912424.

The previous prime is 2103640531. The next prime is 2103640547. The reversal of 2103640535 is 5350463012.

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

It is a cyclic number.

It is not a de Polignac number, because 2103640535 - 2² = 2103640531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2103640498 and 2103640507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103640531) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 210364049 + ... + 210364058.

It is an arithmetic number, because the mean of its divisors is an integer number (631092162).

Almost surely, 2^2103640535 is an apocalyptic number.

2103640535 is a deficient number, since it is larger than the sum of its proper divisors (420728113).

2103640535 is an equidigital number, since it uses as much as digits as its factorization.

2103640535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420728112.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 2103640535 is about 45865.4612426388. The cubic root of 2103640535 is about 1281.3187367129.

The spelling of 2103640535 in words is "two billion, one hundred three million, six hundred forty thousand, five hundred thirty-five".