42330254604551 has 4 divisors (see below), whose sum is σ = 42331300172112. Its totient is φ = 42329209036992.

The previous prime is 42330254604497. The next prime is 42330254604557. The reversal of 42330254604551 is 15540645203324.

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

It is a cyclic number.

It is not a de Polignac number, because 42330254604551 - 2²² = 42330250410247 is a prime.

It is a super-2 number, since 2×42330254604551² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42330254604557) 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, 522723050 + ... + 522804023.

It is an arithmetic number, because the mean of its divisors is an integer number (10582825043028).

Almost surely, 2^{42330254604551} is an apocalyptic number.

42330254604551 is a deficient number, since it is larger than the sum of its proper divisors (1045567561).

42330254604551 is a wasteful number, since it uses less digits than its factorization.

42330254604551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045567560.

The product of its (nonzero) digits is 1728000, while the sum is 44.

Adding to 42330254604551 its reverse (15540645203324), we get a palindrome (57870899807875).

The spelling of 42330254604551 in words is "forty-two trillion, three hundred thirty billion, two hundred fifty-four million, six hundred four thousand, five hundred fifty-one".