42642250001 has 8 divisors (see below), whose sum is σ = 45940061160. Its totient is φ = 39346958592.

The previous prime is 42642249989. The next prime is 42642250129. The reversal of 42642250001 is 10005224624.

42642250001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 206500²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 6308171776 + 36334078225 = 79424^2 + 190615^2 .

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 42642250001 - 2¹⁴ = 42642233617 is a prime.

It is a super-2 number, since 2×42642250001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42642252001) 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, 594710 + ... + 662543.

It is an arithmetic number, because the mean of its divisors is an integer number (5742507645).

Almost surely, 2^42642250001 is an apocalyptic number.

It is an amenable number.

42642250001 is a deficient number, since it is larger than the sum of its proper divisors (3297811159).

42642250001 is a wasteful number, since it uses less digits than its factorization.

42642250001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259875.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 42642250001 its reverse (10005224624), we get a palindrome (52647474625).

The spelling of 42642250001 in words is "forty-two billion, six hundred forty-two million, two hundred fifty thousand, one".