4649813725 has 6 divisors (see below), whose sum is σ = 5765769050. Its totient is φ = 3719850960.

The previous prime is 4649813723. The next prime is 4649813737. The reversal of 4649813725 is 5273189464.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 519566436 + 4130247289 = 22794^2 + 64267^2 .

It is not a de Polignac number, because 4649813725 - 2¹ = 4649813723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4649813723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92996250 + ... + 92996299.

Almost surely, 2^4649813725 is an apocalyptic number.

It is an amenable number.

4649813725 is a deficient number, since it is larger than the sum of its proper divisors (1115955325).

4649813725 is a wasteful number, since it uses less digits than its factorization.

4649813725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185992559 (or 185992554 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The square root of 4649813725 is about 68189.5426366829. The cubic root of 4649813725 is about 1669.0852466958.

It can be divided in two parts, 464 and 9813725, that added together give a palindrome (9814189).

The spelling of 4649813725 in words is "four billion, six hundred forty-nine million, eight hundred thirteen thousand, seven hundred twenty-five".