42648604651 has 4 divisors (see below), whose sum is σ = 42775158712. Its totient is φ = 42522050592.

The previous prime is 42648604639. The next prime is 42648604697. The reversal of 42648604651 is 15640684624.

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

It is a cyclic number.

It is not a de Polignac number, because 42648604651 - 2¹¹ = 42648602603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42648604601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63276525 + ... + 63277198.

It is an arithmetic number, because the mean of its divisors is an integer number (10693789678).

Almost surely, 2^42648604651 is an apocalyptic number.

42648604651 is a deficient number, since it is larger than the sum of its proper divisors (126554061).

42648604651 is a wasteful number, since it uses less digits than its factorization.

42648604651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126554060.

The product of its (nonzero) digits is 1105920, while the sum is 46.

The spelling of 42648604651 in words is "forty-two billion, six hundred forty-eight million, six hundred four thousand, six hundred fifty-one".