2235942649 has 4 divisors (see below), whose sum is σ = 2237195664. Its totient is φ = 2234689636.

The previous prime is 2235942607. The next prime is 2235942691. The reversal of 2235942649 is 9462495322.

2235942649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (2235942607) and next prime (2235942691).

It is a cyclic number.

It is not a de Polignac number, because 2235942649 - 2²⁵ = 2202388217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2235942599 and 2235942608.

It is not an unprimeable number, because it can be changed into a prime (2235946649) 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, 623827 + ... + 627400.

It is an arithmetic number, because the mean of its divisors is an integer number (559298916).

Almost surely, 2^2235942649 is an apocalyptic number.

It is an amenable number.

2235942649 is a deficient number, since it is larger than the sum of its proper divisors (1253015).

2235942649 is a wasteful number, since it uses less digits than its factorization.

2235942649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253014.

The product of its digits is 933120, while the sum is 46.

The square root of 2235942649 is about 47285.7552440479. The cubic root of 2235942649 is about 1307.6360547049.

The spelling of 2235942649 in words is "two billion, two hundred thirty-five million, nine hundred forty-two thousand, six hundred forty-nine".