4649656725 has 72 divisors (see below), whose sum is σ = 10018773440. Its totient is φ = 2013672960.

The previous prime is 4649656721. The next prime is 4649656727. The reversal of 4649656725 is 5276569464.

It is not a de Polignac number, because 4649656725 - 2² = 4649656721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4649656721) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 47764 + ... + 107613.

Almost surely, 2^4649656725 is an apocalyptic number.

4649656725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4649656725 is an abundant number, since it is smaller than the sum of its proper divisors (5369116715).

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

4649656725 is a wasteful number, since it uses less digits than its factorization.

4649656725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155419 (or 155411 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The square root of 4649656725 is about 68188.3914240540. The cubic root of 4649656725 is about 1669.0664610448.

The spelling of 4649656725 in words is "four billion, six hundred forty-nine million, six hundred fifty-six thousand, seven hundred twenty-five".