42544005062651 has 4 divisors (see below), whose sum is σ = 42544085427600. Its totient is φ = 42543924697704.

The previous prime is 42544005062633. The next prime is 42544005062653. The reversal of 42544005062651 is 15626050044524.

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 42544005062651 - 2²⁶ = 42543937953787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42544005062653) 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, 39383096 + ... + 40448933.

It is an arithmetic number, because the mean of its divisors is an integer number (10636021356900).

Almost surely, 2^{42544005062651} is an apocalyptic number.

42544005062651 is a deficient number, since it is larger than the sum of its proper divisors (80364949).

42544005062651 is an equidigital number, since it uses as much as digits as its factorization.

42544005062651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80364948.

The product of its (nonzero) digits is 1152000, while the sum is 44.

The spelling of 42544005062651 in words is "forty-two trillion, five hundred forty-four billion, five million, sixty-two thousand, six hundred fifty-one".