42064641630602 has 4 divisors (see below), whose sum is σ = 63096962445906. Its totient is φ = 21032320815300.

The previous prime is 42064641630589. The next prime is 42064641630617. The reversal of 42064641630602 is 20603614646024.

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., 36812748157201 + 5251893473401 = 6067351^2 + 2291701^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10516160407649 + ... + 10516160407652.

Almost surely, 2^{42064641630602} is an apocalyptic number.

42064641630602 is a deficient number, since it is larger than the sum of its proper divisors (21032320815304).

42064641630602 is a wasteful number, since it uses less digits than its factorization.

42064641630602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21032320815303.

The product of its (nonzero) digits is 995328, while the sum is 44.

The spelling of 42064641630602 in words is "forty-two trillion, sixty-four billion, six hundred forty-one million, six hundred thirty thousand, six hundred two".