1463640506 has 8 divisors (see below), whose sum is σ = 2216776224. Its totient is φ = 724715100.

The previous prime is 1463640461. The next prime is 1463640557. The reversal of 1463640506 is 6050463641.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3552320 + ... + 3552731.

It is an arithmetic number, because the mean of its divisors is an integer number (277097028).

Almost surely, 2^1463640506 is an apocalyptic number.

1463640506 is a deficient number, since it is larger than the sum of its proper divisors (753135718).

1463640506 is a wasteful number, since it uses less digits than its factorization.

1463640506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7105156.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 1463640506 is about 38257.5548878911. The cubic root of 1463640506 is about 1135.3893250614.

The spelling of 1463640506 in words is "one billion, four hundred sixty-three million, six hundred forty thousand, five hundred six".