6305491064 has 8 divisors (see below), whose sum is σ = 11822795760. Its totient is φ = 3152745528.

The previous prime is 6305491051. The next prime is 6305491067. The reversal of 6305491064 is 4601945036.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6305491067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394093184 + ... + 394093199.

It is an arithmetic number, because the mean of its divisors is an integer number (1477849470).

Almost surely, 2^6305491064 is an apocalyptic number.

It is an amenable number.

6305491064 is a deficient number, since it is larger than the sum of its proper divisors (5517304696).

6305491064 is a wasteful number, since it uses less digits than its factorization.

6305491064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788186389 (or 788186385 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 6305491064 is about 79407.1222498335. The cubic root of 6305491064 is about 1847.4511833621.

The spelling of 6305491064 in words is "six billion, three hundred five million, four hundred ninety-one thousand, sixty-four".