42252663601 has 4 divisors (see below), whose sum is σ = 42626581092. Its totient is φ = 41878746112.

The previous prime is 42252663589. The next prime is 42252663641. The reversal of 42252663601 is 10636625224.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23516529201 + 18736134400 = 153351^2 + 136880^2 .

It is a cyclic number.

It is not a de Polignac number, because 42252663601 - 2¹⁷ = 42252532529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42252663641) 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, 186958576 + ... + 186958801.

It is an arithmetic number, because the mean of its divisors is an integer number (10656645273).

Almost surely, 2^42252663601 is an apocalyptic number.

It is an amenable number.

42252663601 is a deficient number, since it is larger than the sum of its proper divisors (373917491).

42252663601 is a wasteful number, since it uses less digits than its factorization.

42252663601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373917490.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 42252663601 in words is "forty-two billion, two hundred fifty-two million, six hundred sixty-three thousand, six hundred one".