42402341002001 has 4 divisors (see below), whose sum is σ = 42402354682404. Its totient is φ = 42402327321600.

The previous prime is 42402341001989. The next prime is 42402341002009. The reversal of 42402341002001 is 10020014320424.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 24735652515025 + 17666688486976 = 4973495^2 + 4203176^2 .

It is a cyclic number.

It is not a de Polignac number, because 42402341002001 - 2¹⁴ = 42402340985617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42402341002009) 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, 278681 + ... + 9213161.

It is an arithmetic number, because the mean of its divisors is an integer number (10600588670601).

Almost surely, 2^{42402341002001} is an apocalyptic number.

It is an amenable number.

42402341002001 is a deficient number, since it is larger than the sum of its proper divisors (13680403).

42402341002001 is an equidigital number, since it uses as much as digits as its factorization.

42402341002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13680402.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 42402341002001 its reverse (10020014320424), we get a palindrome (52422355322425).

The spelling of 42402341002001 in words is "forty-two trillion, four hundred two billion, three hundred forty-one million, two thousand, one".