42342641651 has 8 divisors (see below), whose sum is σ = 43732543680. Its totient is φ = 40974628032.

The previous prime is 42342641633. The next prime is 42342641657. The reversal of 42342641651 is 15614624324.

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 42342641651 - 2⁶ = 42342641587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42342641657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5468171 + ... + 5475908.

It is an arithmetic number, because the mean of its divisors is an integer number (5466567960).

Almost surely, 2^42342641651 is an apocalyptic number.

42342641651 is a deficient number, since it is larger than the sum of its proper divisors (1389902029).

42342641651 is a wasteful number, since it uses less digits than its factorization.

42342641651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10944205.

The product of its digits is 138240, while the sum is 38.

The spelling of 42342641651 in words is "forty-two billion, three hundred forty-two million, six hundred forty-one thousand, six hundred fifty-one".