646363462 has 8 divisors (see below), whose sum is σ = 982826856. Its totient is φ = 318754512.

The previous prime is 646363453. The next prime is 646363469. The reversal of 646363462 is 264363646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (646363469) 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, 2213428 + ... + 2213719.

It is an arithmetic number, because the mean of its divisors is an integer number (122853357).

Almost surely, 2^646363462 is an apocalyptic number.

646363462 is a deficient number, since it is larger than the sum of its proper divisors (336463394).

646363462 is a wasteful number, since it uses less digits than its factorization.

646363462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4427222.

The product of its digits is 373248, while the sum is 40.

The square root of 646363462 is about 25423.6791593978. The cubic root of 646363462 is about 864.6206415632.

The spelling of 646363462 in words is "six hundred forty-six million, three hundred sixty-three thousand, four hundred sixty-two".