42626957633 has 8 divisors (see below), whose sum is σ = 45951465000. Its totient is φ = 39308951808.

The previous prime is 42626957629. The next prime is 42626957641. The reversal of 42626957633 is 33675962624.

It can be written as a sum of positive squares in 4 ways, for example, as 315701824 + 42311255809 = 17768^2 + 205697^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42626957633 - 2² = 42626957629 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42626957693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1611758 + ... + 1637991.

It is an arithmetic number, because the mean of its divisors is an integer number (5743933125).

Almost surely, 2^42626957633 is an apocalyptic number.

It is an amenable number.

42626957633 is a deficient number, since it is larger than the sum of its proper divisors (3324507367).

42626957633 is a wasteful number, since it uses less digits than its factorization.

42626957633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3250771.

The product of its digits is 9797760, while the sum is 53.

The spelling of 42626957633 in words is "forty-two billion, six hundred twenty-six million, nine hundred fifty-seven thousand, six hundred thirty-three".