42131005000453 has 4 divisors (see below), whose sum is σ = 42131186226220. Its totient is φ = 42130823774688.

The previous prime is 42131005000421. The next prime is 42131005000463. The reversal of 42131005000453 is 35400050013124.

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 2226490732449 + 39904514268004 = 1492143^2 + 6317002^2 .

It is a cyclic number.

It is not a de Polignac number, because 42131005000453 - 2⁵ = 42131005000421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42131005000463) 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, 90263718 + ... + 90729271.

It is an arithmetic number, because the mean of its divisors is an integer number (10532796556555).

Almost surely, 2^{42131005000453} is an apocalyptic number.

It is an amenable number.

42131005000453 is a deficient number, since it is larger than the sum of its proper divisors (181225767).

42131005000453 is a wasteful number, since it uses less digits than its factorization.

42131005000453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181225766.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 42131005000453 its reverse (35400050013124), we get a palindrome (77531055013577).

The spelling of 42131005000453 in words is "forty-two trillion, one hundred thirty-one billion, five million, four hundred fifty-three", and thus it is an aban number.