642004616601435 has 8 divisors (see below), whose sum is σ = 1027207386562320. Its totient is φ = 342402462187424.

The previous prime is 642004616601419. The next prime is 642004616601443. The reversal of 642004616601435 is 534106616400246.

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 642004616601435 - 2⁴ = 642004616601419 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21400153886700 + ... + 21400153886729.

It is an arithmetic number, because the mean of its divisors is an integer number (128400923320290).

Almost surely, 2^{642004616601435} is an apocalyptic number.

642004616601435 is a deficient number, since it is larger than the sum of its proper divisors (385202769960885).

642004616601435 is a wasteful number, since it uses less digits than its factorization.

642004616601435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42800307773437.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 642004616601435 in words is "six hundred forty-two trillion, four billion, six hundred sixteen million, six hundred one thousand, four hundred thirty-five".