405801579373 has 4 divisors (see below), whose sum is σ = 406002772060. Its totient is φ = 405600386688.

The previous prime is 405801579353. The next prime is 405801579437. The reversal of 405801579373 is 373975108504.

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 166090481764 + 239711097609 = 407542^2 + 489603^2 .

It is a cyclic number.

It is not a de Polignac number, because 405801579373 - 2¹³ = 405801571181 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 405801579373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405801579353) 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, 100593318 + ... + 100597351.

It is an arithmetic number, because the mean of its divisors is an integer number (101500693015).

Almost surely, 2^405801579373 is an apocalyptic number.

It is an amenable number.

405801579373 is a deficient number, since it is larger than the sum of its proper divisors (201192687).

405801579373 is a wasteful number, since it uses less digits than its factorization.

405801579373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201192686.

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 405801579373 in words is "four hundred five billion, eight hundred one million, five hundred seventy-nine thousand, three hundred seventy-three".