401550000613 has 2 divisors, whose sum is σ = 401550000614. Its totient is φ = 401550000612.

The previous prime is 401550000589. The next prime is 401550000623. The reversal of 401550000613 is 316000055104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209454506244 + 192095494369 = 457662^2 + 438287^2 .

It is a cyclic number.

It is not a de Polignac number, because 401550000613 - 2¹⁷ = 401549869541 is a prime.

It is a super-2 number, since 2×401550000613² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401550000623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200775000306 + 200775000307.

It is an arithmetic number, because the mean of its divisors is an integer number (200775000307).

Almost surely, 2^401550000613 is an apocalyptic number.

It is an amenable number.

401550000613 is a deficient number, since it is larger than the sum of its proper divisors (1).

401550000613 is an equidigital number, since it uses as much as digits as its factorization.

401550000613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 401550000613 its reverse (316000055104), we get a palindrome (717550055717).

The spelling of 401550000613 in words is "four hundred one billion, five hundred fifty million, six hundred thirteen", and thus it is an aban number.