405642054733 has 4 divisors (see below), whose sum is σ = 407075419168. Its totient is φ = 404208690300.

The previous prime is 405642054709. The next prime is 405642054737. The reversal of 405642054733 is 337450246504.

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 405642054733 - 2¹³ = 405642046541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 405642054733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405642054737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716681793 + ... + 716682358.

It is an arithmetic number, because the mean of its divisors is an integer number (101768854792).

Almost surely, 2^405642054733 is an apocalyptic number.

It is an amenable number.

405642054733 is a deficient number, since it is larger than the sum of its proper divisors (1433364435).

405642054733 is a wasteful number, since it uses less digits than its factorization.

405642054733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433364434.

The product of its (nonzero) digits is 1209600, while the sum is 43.

The spelling of 405642054733 in words is "four hundred five billion, six hundred forty-two million, fifty-four thousand, seven hundred thirty-three".