4447661498 has 24 divisors (see below), whose sum is σ = 7805604852. Its totient is φ = 1895115264.

The previous prime is 4447661497. The next prime is 4447661549. The reversal of 4447661498 is 8941667444.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4103299249 + 344362249 = 64057^2 + 18557^2 .

It is not an unprimeable number, because it can be changed into a prime (4447661497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114215 + ... + 148122.

Almost surely, 2^4447661498 is an apocalyptic number.

4447661498 is a deficient number, since it is larger than the sum of its proper divisors (3357943354).

4447661498 is a wasteful number, since it uses less digits than its factorization.

4447661498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262526 (or 262519 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 53.

The square root of 4447661498 is about 66690.7902037455. The cubic root of 4447661498 is about 1644.5379840270.

The spelling of 4447661498 in words is "four billion, four hundred forty-seven million, six hundred sixty-one thousand, four hundred ninety-eight".