2421672585 has 16 divisors (see below), whose sum is σ = 3969181440. Its totient is φ = 1260056960.

The previous prime is 2421672577. The next prime is 2421672619. The reversal of 2421672585 is 5852761242.

It is not a de Polignac number, because 2421672585 - 2³ = 2421672577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1968225 + ... + 1969454.

It is an arithmetic number, because the mean of its divisors is an integer number (248073840).

Almost surely, 2^2421672585 is an apocalyptic number.

It is an amenable number.

2421672585 is a deficient number, since it is larger than the sum of its proper divisors (1547508855).

2421672585 is a wasteful number, since it uses less digits than its factorization.

2421672585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3937728.

The product of its digits is 268800, while the sum is 42.

The square root of 2421672585 is about 49210.4926311452. The cubic root of 2421672585 is about 1342.8839248873.

The spelling of 2421672585 in words is "two billion, four hundred twenty-one million, six hundred seventy-two thousand, five hundred eighty-five".