6397466994 has 80 divisors (see below), whose sum is σ = 14637414528. Its totient is φ = 2087905248.

The previous prime is 6397466987. The next prime is 6397467031. The reversal of 6397466994 is 4996647936.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1876039 + ... + 1879445.

Almost surely, 2^6397466994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6397466994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7318707264).

6397466994 is an abundant number, since it is smaller than the sum of its proper divisors (8239947534).

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

6397466994 is a wasteful number, since it uses less digits than its factorization.

6397466994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3661 (or 3652 counting only the distinct ones).

The product of its digits is 52907904, while the sum is 63.

The square root of 6397466994 is about 79984.1671457545. The cubic root of 6397466994 is about 1856.3905600326.

The spelling of 6397466994 in words is "six billion, three hundred ninety-seven million, four hundred sixty-six thousand, nine hundred ninety-four".