6494650307964 has 432 divisors, whose sum is σ = 21304992945600. Its totient is φ = 1657581408000.

The previous prime is 6494650307963. The next prime is 6494650307983. The reversal of 6494650307964 is 4697030564946.

6494650307964 is a `hidden beast` number, since 6 + 49 + 465 + 0 + 3 + 0 + 79 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6494650307963) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 154242514 + ... + 154284614.

It is an arithmetic number, because the mean of its divisors is an integer number (49317113300).

Almost surely, 2^{6494650307964} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6494650307964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10652496472800).

6494650307964 is an abundant number, since it is smaller than the sum of its proper divisors (14810342637636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6494650307964 is a wasteful number, since it uses less digits than its factorization.

6494650307964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42207 (or 42157 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 63.

The spelling of 6494650307964 in words is "six trillion, four hundred ninety-four billion, six hundred fifty million, three hundred seven thousand, nine hundred sixty-four".