2421897418051 has 8 divisors (see below), whose sum is σ = 2567860432704. Its totient is φ = 2276323121280.

The previous prime is 2421897418049. The next prime is 2421897418091. The reversal of 2421897418051 is 1508147981242.

It is a happy number.

2421897418051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2421897418051 - 2¹ = 2421897418049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2421897418051.

It is not an unprimeable number, because it can be changed into a prime (2421897418091) 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, 97166635 + ... + 97191556.

It is an arithmetic number, because the mean of its divisors is an integer number (320982554088).

Almost surely, 2^{2421897418051} is an apocalyptic number.

2421897418051 is a deficient number, since it is larger than the sum of its proper divisors (145963014653).

2421897418051 is a wasteful number, since it uses less digits than its factorization.

2421897418051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194358941.

The product of its (nonzero) digits is 1290240, while the sum is 52.

The spelling of 2421897418051 in words is "two trillion, four hundred twenty-one billion, eight hundred ninety-seven million, four hundred eighteen thousand, fifty-one".