4718686890 has 32 divisors (see below), whose sum is σ = 11407521600. Its totient is φ = 1249130624.

The previous prime is 4718686873. The next prime is 4718686891. The reversal of 4718686890 is 986868174.

It is a self number, because there is not a number n which added to its sum of digits gives 4718686890.

It is not an unprimeable number, because it can be changed into a prime (4718686891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569940 + ... + 578159.

It is an arithmetic number, because the mean of its divisors is an integer number (356485050).

Almost surely, 2^4718686890 is an apocalyptic number.

4718686890 is an abundant number, since it is smaller than the sum of its proper divisors (6688834710).

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

4718686890 is a wasteful number, since it uses less digits than its factorization.

4718686890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148246.

The product of its (nonzero) digits is 4644864, while the sum is 57.

The square root of 4718686890 is about 68692.6989570216. The cubic root of 4718686890 is about 1677.2857354435.

The spelling of 4718686890 in words is "four billion, seven hundred eighteen million, six hundred eighty-six thousand, eight hundred ninety".