642607483 has 8 divisors (see below), whose sum is σ = 738807552. Its totient is φ = 547507176.

The previous prime is 642607447. The next prime is 642607507. The reversal of 642607483 is 384706246.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 642607483 - 2⁹ = 642606971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (642607403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273685 + ... + 276022.

It is an arithmetic number, because the mean of its divisors is an integer number (92350944).

Almost surely, 2^642607483 is an apocalyptic number.

642607483 is a deficient number, since it is larger than the sum of its proper divisors (96200069).

642607483 is a wasteful number, since it uses less digits than its factorization.

642607483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549881.

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 642607483 is about 25349.7038049757. The cubic root of 642607483 is about 862.9426343292.

The spelling of 642607483 in words is "six hundred forty-two million, six hundred seven thousand, four hundred eighty-three".