2046646463 has 4 divisors (see below), whose sum is σ = 2085262488. Its totient is φ = 2008030440.

The previous prime is 2046646423. The next prime is 2046646477. The reversal of 2046646463 is 3646466402.

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 2046646463 - 2⁸ = 2046646207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2046646463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2046646423) 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, 19307933 + ... + 19308038.

It is an arithmetic number, because the mean of its divisors is an integer number (521315622).

Almost surely, 2^2046646463 is an apocalyptic number.

2046646463 is a deficient number, since it is larger than the sum of its proper divisors (38616025).

2046646463 is an equidigital number, since it uses as much as digits as its factorization.

2046646463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38616024.

The product of its (nonzero) digits is 497664, while the sum is 41.

The square root of 2046646463 is about 45239.8769118573. The cubic root of 2046646463 is about 1269.6410135050.

The spelling of 2046646463 in words is "two billion, forty-six million, six hundred forty-six thousand, four hundred sixty-three".