401246824873 has 4 divisors (see below), whose sum is σ = 401794229188. Its totient is φ = 400699420560.

The previous prime is 401246824837. The next prime is 401246824931. The reversal of 401246824873 is 378428642104.

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 359122135824 + 42124689049 = 599268^2 + 205243^2 .

It is a cyclic number.

It is not a de Polignac number, because 401246824873 - 2¹³ = 401246816681 is a prime.

It is a super-2 number, since 2×401246824873² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401246864873) 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, 273701058 + ... + 273702523.

It is an arithmetic number, because the mean of its divisors is an integer number (100448557297).

Almost surely, 2^401246824873 is an apocalyptic number.

It is an amenable number.

401246824873 is a deficient number, since it is larger than the sum of its proper divisors (547404315).

401246824873 is an equidigital number, since it uses as much as digits as its factorization.

401246824873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547404314.

The product of its (nonzero) digits is 2064384, while the sum is 49.

The spelling of 401246824873 in words is "four hundred one billion, two hundred forty-six million, eight hundred twenty-four thousand, eight hundred seventy-three".