42455231566633 has 4 divisors (see below), whose sum is σ = 42456611671888. Its totient is φ = 42453851461380.

The previous prime is 42455231566589. The next prime is 42455231566661. The reversal of 42455231566633 is 33666513255424.

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.

It is a cyclic number.

It is not a de Polignac number, because 42455231566633 - 2²¹ = 42455229469481 is a prime.

It is a super-2 number, since 2×42455231566633² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42455231566673) 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, 690006483 + ... + 690068008.

It is an arithmetic number, because the mean of its divisors is an integer number (10614152917972).

Almost surely, 2^{42455231566633} is an apocalyptic number.

It is an amenable number.

42455231566633 is a deficient number, since it is larger than the sum of its proper divisors (1380105255).

42455231566633 is a wasteful number, since it uses less digits than its factorization.

42455231566633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380105254.

The product of its digits is 46656000, while the sum is 55.

The spelling of 42455231566633 in words is "forty-two trillion, four hundred fifty-five billion, two hundred thirty-one million, five hundred sixty-six thousand, six hundred thirty-three".