42633201553 has 4 divisors (see below), whose sum is σ = 42635658420. Its totient is φ = 42630744688.

The previous prime is 42633201551. The next prime is 42633201599. The reversal of 42633201553 is 35510233624.

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 14039406144 + 28593795409 = 118488^2 + 169097^2 .

It is a cyclic number.

It is not a de Polignac number, because 42633201553 - 2¹ = 42633201551 is a prime.

It is a super-2 number, since 2×42633201553² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42633201551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1202218 + ... + 1237171.

It is an arithmetic number, because the mean of its divisors is an integer number (10658914605).

Almost surely, 2^42633201553 is an apocalyptic number.

It is an amenable number.

42633201553 is a deficient number, since it is larger than the sum of its proper divisors (2456867).

42633201553 is a wasteful number, since it uses less digits than its factorization.

42633201553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2456866.

The product of its (nonzero) digits is 64800, while the sum is 34.

The spelling of 42633201553 in words is "forty-two billion, six hundred thirty-three million, two hundred one thousand, five hundred fifty-three".