6402105401 has 2 divisors, whose sum is σ = 6402105402. Its totient is φ = 6402105400.

The previous prime is 6402105349. The next prime is 6402105467. The reversal of 6402105401 is 1045012046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6400000000 + 2105401 = 80000^2 + 1451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6402105401 is a prime.

It is not a weakly prime, because it can be changed into another prime (6402105601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3201052700 + 3201052701.

It is an arithmetic number, because the mean of its divisors is an integer number (3201052701).

Almost surely, 2^6402105401 is an apocalyptic number.

It is an amenable number.

6402105401 is a deficient number, since it is larger than the sum of its proper divisors (1).

6402105401 is an equidigital number, since it uses as much as digits as its factorization.

6402105401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 6402105401 is about 80013.1576742226. The cubic root of 6402105401 is about 1856.8391029110.

Adding to 6402105401 its reverse (1045012046), we get a palindrome (7447117447).

The spelling of 6402105401 in words is "six billion, four hundred two million, one hundred five thousand, four hundred one".