4860661490 has 32 divisors (see below), whose sum is σ = 8789243904. Its totient is φ = 1935385600.

The previous prime is 4860661451. The next prime is 4860661499. The reversal of 4860661490 is 941660684.

It is not an unprimeable number, because it can be changed into a prime (4860661499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3993362 + ... + 3994578.

It is an arithmetic number, because the mean of its divisors is an integer number (274663872).

Almost surely, 2^4860661490 is an apocalyptic number.

4860661490 is a deficient number, since it is larger than the sum of its proper divisors (3928582414).

4860661490 is a wasteful number, since it uses less digits than its factorization.

4860661490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 4860661490 is about 69718.4444031850. Note that the first 4 decimals coincide. The cubic root of 4860661490 is about 1693.9416986134.

The spelling of 4860661490 in words is "four billion, eight hundred sixty million, six hundred sixty-one thousand, four hundred ninety".