4687474521 has 4 divisors (see below), whose sum is σ = 6249966032. Its totient is φ = 3124983012.

The previous prime is 4687474499. The next prime is 4687474529. The reversal of 4687474521 is 1254747864.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4687474521 - 2⁵ = 4687474489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4687474529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781245751 + ... + 781245756.

It is an arithmetic number, because the mean of its divisors is an integer number (1562491508).

Almost surely, 2^4687474521 is an apocalyptic number.

It is an amenable number.

4687474521 is a deficient number, since it is larger than the sum of its proper divisors (1562491511).

4687474521 is a wasteful number, since it uses less digits than its factorization.

4687474521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562491510.

The product of its digits is 1505280, while the sum is 48.

The square root of 4687474521 is about 68465.1336155857. The cubic root of 4687474521 is about 1673.5793429364.

The spelling of 4687474521 in words is "four billion, six hundred eighty-seven million, four hundred seventy-four thousand, five hundred twenty-one".