2103235649 has 4 divisors (see below), whose sum is σ = 2107417536. Its totient is φ = 2099053764.

The previous prime is 2103235619. The next prime is 2103235657. The reversal of 2103235649 is 9465323012.

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 2103235649 - 2¹² = 2103231553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103235619) 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, 2090189 + ... + 2091194.

It is an arithmetic number, because the mean of its divisors is an integer number (526854384).

Almost surely, 2^2103235649 is an apocalyptic number.

It is an amenable number.

2103235649 is a deficient number, since it is larger than the sum of its proper divisors (4181887).

2103235649 is an equidigital number, since it uses as much as digits as its factorization.

2103235649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4181886.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 2103235649 is about 45861.0471860380. The cubic root of 2103235649 is about 1281.2365266432.

The spelling of 2103235649 in words is "two billion, one hundred three million, two hundred thirty-five thousand, six hundred forty-nine".