6403610163077 has 2 divisors, whose sum is σ = 6403610163078. Its totient is φ = 6403610163076.

The previous prime is 6403610163047. The next prime is 6403610163079. The reversal of 6403610163077 is 7703610163046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6372438848161 + 31171314916 = 2524369^2 + 176554^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6403610163077 is a prime.

Together with 6403610163079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6403610163079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3201805081538 + 3201805081539.

It is an arithmetic number, because the mean of its divisors is an integer number (3201805081539).

Almost surely, 2^{6403610163077} is an apocalyptic number.

It is an amenable number.

6403610163077 is a deficient number, since it is larger than the sum of its proper divisors (1).

6403610163077 is an equidigital number, since it uses as much as digits as its factorization.

6403610163077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 44.

The spelling of 6403610163077 in words is "six trillion, four hundred three billion, six hundred ten million, one hundred sixty-three thousand, seventy-seven".