463420666 has 4 divisors (see below), whose sum is σ = 695131002. Its totient is φ = 231710332.

The previous prime is 463420649. The next prime is 463420691. The reversal of 463420666 is 666024364.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 266832225 + 196588441 = 16335^2 + 14021^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115855165 + ... + 115855168.

Almost surely, 2^463420666 is an apocalyptic number.

463420666 is a deficient number, since it is larger than the sum of its proper divisors (231710336).

463420666 is a wasteful number, since it uses less digits than its factorization.

463420666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231710335.

The product of its (nonzero) digits is 124416, while the sum is 37.

The square root of 463420666 is about 21527.2075755310. The cubic root of 463420666 is about 773.8529912850.

The spelling of 463420666 in words is "four hundred sixty-three million, four hundred twenty thousand, six hundred sixty-six".