2421059085897 has 8 divisors (see below), whose sum is σ = 3268940538240. Its totient is φ = 1593608512080.

The previous prime is 2421059085881. The next prime is 2421059085917. The reversal of 2421059085897 is 7985809501242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2421059085897 - 2⁴ = 2421059085881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2421059085897.

It is not an unprimeable number, because it can be changed into a prime (2421059085197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5107719354 + ... + 5107719827.

It is an arithmetic number, because the mean of its divisors is an integer number (408617567280).

Almost surely, 2^{2421059085897} is an apocalyptic number.

It is an amenable number.

2421059085897 is a deficient number, since it is larger than the sum of its proper divisors (847881452343).

2421059085897 is a wasteful number, since it uses less digits than its factorization.

2421059085897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10215439263.

The product of its (nonzero) digits is 14515200, while the sum is 60.

The spelling of 2421059085897 in words is "two trillion, four hundred twenty-one billion, fifty-nine million, eighty-five thousand, eight hundred ninety-seven".