4687014721 has 2 divisors, whose sum is σ = 4687014722. Its totient is φ = 4687014720.

The previous prime is 4687014659. The next prime is 4687014737. The reversal of 4687014721 is 1274107864.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2611210000 + 2075804721 = 51100^2 + 45561^2 .

It is a cyclic number.

It is not a de Polignac number, because 4687014721 - 2⁷ = 4687014593 is a prime.

It is not a weakly prime, because it can be changed into another prime (4687014751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2343507360 + 2343507361.

It is an arithmetic number, because the mean of its divisors is an integer number (2343507361).

Almost surely, 2^4687014721 is an apocalyptic number.

It is an amenable number.

4687014721 is a deficient number, since it is larger than the sum of its proper divisors (1).

4687014721 is an equidigital number, since it uses as much as digits as its factorization.

4687014721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 4687014721 is about 68461.7756196843. The cubic root of 4687014721 is about 1673.5246200119.

The spelling of 4687014721 in words is "four billion, six hundred eighty-seven million, fourteen thousand, seven hundred twenty-one".