5389138464 has 48 divisors (see below), whose sum is σ = 14761559232. Its totient is φ = 1718275328.

The previous prime is 5389138459. The next prime is 5389138471. The reversal of 5389138464 is 4648319835.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1218159 + ... + 1222574.

It is an arithmetic number, because the mean of its divisors is an integer number (307532484).

Almost surely, 2^5389138464 is an apocalyptic number.

It is an amenable number.

5389138464 is an abundant number, since it is smaller than the sum of its proper divisors (9372420768).

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

5389138464 is a wasteful number, since it uses less digits than its factorization.

5389138464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440769 (or 2440761 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 51.

The square root of 5389138464 is about 73410.7516921057. The cubic root of 5389138464 is about 1753.2335821397.

The spelling of 5389138464 in words is "five billion, three hundred eighty-nine million, one hundred thirty-eight thousand, four hundred sixty-four".