42640651066233 has 16 divisors (see below), whose sum is σ = 62662175142336. Its totient is φ = 25576398013440.

The previous prime is 42640651066093. The next prime is 42640651066241. The reversal of 42640651066233 is 33266015604624.

It is not a de Polignac number, because 42640651066233 - 2¹⁰ = 42640651065209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42640651066033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6660517116 + ... + 6660523517.

It is an arithmetic number, because the mean of its divisors is an integer number (3916385946396).

Almost surely, 2^{42640651066233} is an apocalyptic number.

It is an amenable number.

42640651066233 is a deficient number, since it is larger than the sum of its proper divisors (20021524076103).

42640651066233 is a wasteful number, since it uses less digits than its factorization.

42640651066233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13321040744.

The product of its (nonzero) digits is 3732480, while the sum is 48.

The spelling of 42640651066233 in words is "forty-two trillion, six hundred forty billion, six hundred fifty-one million, sixty-six thousand, two hundred thirty-three".