5391681464 has 16 divisors (see below), whose sum is σ = 10887049320. Its totient is φ = 2488468320.

The previous prime is 5391681437. The next prime is 5391681511. The reversal of 5391681464 is 4641861935.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25921442 + ... + 25921649.

Almost surely, 2^5391681464 is an apocalyptic number.

It is an amenable number.

5391681464 is an abundant number, since it is smaller than the sum of its proper divisors (5495367856).

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

5391681464 is a wasteful number, since it uses less digits than its factorization.

5391681464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51843110 (or 51843106 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 5391681464 is about 73428.0700005114. The cubic root of 5391681464 is about 1753.5093078383.

The spelling of 5391681464 in words is "five billion, three hundred ninety-one million, six hundred eighty-one thousand, four hundred sixty-four".