2421587390 has 16 divisors (see below), whose sum is σ = 4418569008. Its totient is φ = 955365696.

The previous prime is 2421587339. The next prime is 2421587417. The reversal of 2421587390 is 937851242.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1657892 + ... + 1659351.

It is an arithmetic number, because the mean of its divisors is an integer number (276160563).

Almost surely, 2^2421587390 is an apocalyptic number.

2421587390 is a deficient number, since it is larger than the sum of its proper divisors (1996981618).

2421587390 is a wasteful number, since it uses less digits than its factorization.

2421587390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3317323.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 2421587390 is about 49209.6270052924. The cubic root of 2421587390 is about 1342.8681770472.

The spelling of 2421587390 in words is "two billion, four hundred twenty-one million, five hundred eighty-seven thousand, three hundred ninety".