6400653403 has 2 divisors, whose sum is σ = 6400653404. Its totient is φ = 6400653402.

The previous prime is 6400653379. The next prime is 6400653407. The reversal of 6400653403 is 3043560046.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6400653403 - 2⁹ = 6400652891 is a prime.

It is not a weakly prime, because it can be changed into another prime (6400653407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3200326701 + 3200326702.

It is an arithmetic number, because the mean of its divisors is an integer number (3200326702).

Almost surely, 2^6400653403 is an apocalyptic number.

6400653403 is a deficient number, since it is larger than the sum of its proper divisors (1).

6400653403 is an equidigital number, since it uses as much as digits as its factorization.

6400653403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 6400653403 is about 80004.0836645230. The cubic root of 6400653403 is about 1856.6987152131.

The spelling of 6400653403 in words is "six billion, four hundred million, six hundred fifty-three thousand, four hundred three".