6403346521011 has 48 divisors (see below), whose sum is σ = 10287598793472. Its totient is φ = 3804964488000.

The previous prime is 6403346520943. The next prime is 6403346521049. The reversal of 6403346521011 is 1101256433046.

6403346521011 is a `hidden beast` number, since 6 + 40 + 334 + 65 + 210 + 11 = 666.

It is not a de Polignac number, because 6403346521011 - 2¹³ = 6403346512819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6403346521511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7192866 + ... + 8033928.

It is an arithmetic number, because the mean of its divisors is an integer number (214324974864).

Almost surely, 2^{6403346521011} is an apocalyptic number.

6403346521011 is a deficient number, since it is larger than the sum of its proper divisors (3884252272461).

6403346521011 is a wasteful number, since it uses less digits than its factorization.

6403346521011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842584 (or 842581 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 6403346521011 in words is "six trillion, four hundred three billion, three hundred forty-six million, five hundred twenty-one thousand, eleven".