4649439937536 has 165 divisors, whose sum is σ = 13885991324359. Its totient is φ = 1549606311936.

The previous prime is 4649439937531. The next prime is 4649439937537. The reversal of 4649439937536 is 6357399349464.

It is a happy number.

The square root of 4649439937536 is 2156256.

It is a perfect power (a square), and thus also a powerful number.

4649439937536 is a `hidden beast` number, since 4 + 6 + 4 + 9 + 439 + 93 + 75 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4649439937531) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 620997985 + ... + 621005471.

Almost surely, 2^{4649439937536} is an apocalyptic number.

4649439937536 is the 2156256-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4649439937536

4649439937536 is an abundant number, since it is smaller than the sum of its proper divisors (9236551386823).

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

4649439937536 is an frugal number, since it uses more digits than its factorization.

4649439937536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15006 (or 7492 counting only the distinct ones).

The product of its digits is 1587237120, while the sum is 72.

The spelling of 4649439937536 in words is "four trillion, six hundred forty-nine billion, four hundred thirty-nine million, nine hundred thirty-seven thousand, five hundred thirty-six".