2193046465 has 4 divisors (see below), whose sum is σ = 2631655764. Its totient is φ = 1754437168.

The previous prime is 2193046463. The next prime is 2193046469. The reversal of 2193046465 is 5646403912.

2193046465 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.

It can be written as a sum of positive squares in 2 ways, for example, as 304014096 + 1889032369 = 17436^2 + 43463^2 .

It is a cyclic number.

It is not a de Polignac number, because 2193046465 - 2¹ = 2193046463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2193046463) 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, 219304642 + ... + 219304651.

It is an arithmetic number, because the mean of its divisors is an integer number (657913941).

Almost surely, 2^2193046465 is an apocalyptic number.

It is an amenable number.

2193046465 is a deficient number, since it is larger than the sum of its proper divisors (438609299).

2193046465 is an equidigital number, since it uses as much as digits as its factorization.

2193046465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438609298.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 2193046465 is about 46829.9740017011. The cubic root of 2193046465 is about 1299.2197418430.

The spelling of 2193046465 in words is "two billion, one hundred ninety-three million, forty-six thousand, four hundred sixty-five".