2340646463 has 4 divisors (see below), whose sum is σ = 2421358440. Its totient is φ = 2259934488.

The previous prime is 2340646459. The next prime is 2340646471. The reversal of 2340646463 is 3646460432.

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 2340646463 - 2² = 2340646459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340646403) 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, 40355945 + ... + 40356002.

It is an arithmetic number, because the mean of its divisors is an integer number (605339610).

Almost surely, 2^2340646463 is an apocalyptic number.

2340646463 is a deficient number, since it is larger than the sum of its proper divisors (80711977).

2340646463 is an equidigital number, since it uses as much as digits as its factorization.

2340646463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80711976.

The product of its (nonzero) digits is 248832, while the sum is 38.

The square root of 2340646463 is about 48380.2280172386. The cubic root of 2340646463 is about 1327.7366413502.

The spelling of 2340646463 in words is "two billion, three hundred forty million, six hundred forty-six thousand, four hundred sixty-three".