42450453541 has 4 divisors (see below), whose sum is σ = 42450865632. Its totient is φ = 42450041452.

The previous prime is 42450453511. The next prime is 42450453557. The reversal of 42450453541 is 14535405424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42450453541 - 2¹⁵ = 42450420773 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42450453541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42450453511) 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, 99990 + ... + 308056.

It is an arithmetic number, because the mean of its divisors is an integer number (10612716408).

Almost surely, 2^42450453541 is an apocalyptic number.

It is an amenable number.

42450453541 is a deficient number, since it is larger than the sum of its proper divisors (412091).

42450453541 is a wasteful number, since it uses less digits than its factorization.

42450453541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412090.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 42450453541 its reverse (14535405424), we get a palindrome (56985858965).

The spelling of 42450453541 in words is "forty-two billion, four hundred fifty million, four hundred fifty-three thousand, five hundred forty-one".