42733633466421 has 16 divisors (see below), whose sum is σ = 63309194793600. Its totient is φ = 28489040298144.

The previous prime is 42733633466417. The next prime is 42733633466431. The reversal of 42733633466421 is 12466433633724.

42733633466421 is a `hidden beast` number, since 4 + 2 + 73 + 3 + 63 + 34 + 66 + 421 = 666.

It is not a de Polignac number, because 42733633466421 - 2² = 42733633466417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42733633466431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22201185 + ... + 24049113.

It is an arithmetic number, because the mean of its divisors is an integer number (3956824674600).

Almost surely, 2^{42733633466421} is an apocalyptic number.

It is an amenable number.

42733633466421 is a deficient number, since it is larger than the sum of its proper divisors (20575561327179).

42733633466421 is a wasteful number, since it uses less digits than its factorization.

42733633466421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704425 (or 2704419 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 54.

The spelling of 42733633466421 in words is "forty-two trillion, seven hundred thirty-three billion, six hundred thirty-three million, four hundred sixty-six thousand, four hundred twenty-one".