21462050144505 has 8 divisors (see below), whose sum is σ = 34339280231232. Its totient is φ = 11446426743728.

The previous prime is 21462050144477. The next prime is 21462050144573. The reversal of 21462050144505 is 50544105026412.

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 21462050144505 - 2⁶ = 21462050144441 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 715401671469 + ... + 715401671498.

It is an arithmetic number, because the mean of its divisors is an integer number (4292410028904).

Almost surely, 2^{21462050144505} is an apocalyptic number.

It is an amenable number.

21462050144505 is a deficient number, since it is larger than the sum of its proper divisors (12877230086727).

21462050144505 is a wasteful number, since it uses less digits than its factorization.

21462050144505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430803342975.

The product of its (nonzero) digits is 192000, while the sum is 39.

The spelling of 21462050144505 in words is "twenty-one trillion, four hundred sixty-two billion, fifty million, one hundred forty-four thousand, five hundred five".