4539397464 has 384 divisors, whose sum is σ = 15581529600. Its totient is φ = 1209323520.

The previous prime is 4539397427. The next prime is 4539397481. The reversal of 4539397464 is 4647939354.

It is a happy number.

4539397464 is a `hidden beast` number, since 4 + 5 + 3 + 93 + 97 + 464 = 666.

It is a super-3 number, since 3×4539397464³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 4539397464.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25079454 + ... + 25079634.

It is an arithmetic number, because the mean of its divisors is an integer number (40576900).

Almost surely, 2^4539397464 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 4539397464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7790764800).

4539397464 is an abundant number, since it is smaller than the sum of its proper divisors (11042132136).

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

4539397464 is a wasteful number, since it uses less digits than its factorization.

4539397464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 309 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 54.

The square root of 4539397464 is about 67375.0507532276. The cubic root of 4539397464 is about 1655.7676895293.

The spelling of 4539397464 in words is "four billion, five hundred thirty-nine million, three hundred ninety-seven thousand, four hundred sixty-four".