6398367403 has 2 divisors, whose sum is σ = 6398367404. Its totient is φ = 6398367402.

The previous prime is 6398367397. The next prime is 6398367431. The reversal of 6398367403 is 3047638936.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6398367403 is a prime.

It is not a weakly prime, because it can be changed into another prime (6398364403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3199183701 + 3199183702.

It is an arithmetic number, because the mean of its divisors is an integer number (3199183702).

Almost surely, 2^6398367403 is an apocalyptic number.

6398367403 is a deficient number, since it is larger than the sum of its proper divisors (1).

6398367403 is an equidigital number, since it uses as much as digits as its factorization.

6398367403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 49.

The square root of 6398367403 is about 79989.7956179412. The cubic root of 6398367403 is about 1856.4776482691.

The spelling of 6398367403 in words is "six billion, three hundred ninety-eight million, three hundred sixty-seven thousand, four hundred three".