21486487341 has 16 divisors (see below), whose sum is σ = 31256693568. Its totient is φ = 13020604800.

The previous prime is 21486487331. The next prime is 21486487349. The reversal of 21486487341 is 14378468412.

It is not a de Polignac number, because 21486487341 - 2¹³ = 21486479149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21486487349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295305 + ... + 360801.

It is an arithmetic number, because the mean of its divisors is an integer number (1953543348).

Almost surely, 2^21486487341 is an apocalyptic number.

It is an amenable number.

21486487341 is a deficient number, since it is larger than the sum of its proper divisors (9770206227).

21486487341 is a wasteful number, since it uses less digits than its factorization.

21486487341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75452.

The product of its digits is 1032192, while the sum is 48.

The spelling of 21486487341 in words is "twenty-one billion, four hundred eighty-six million, four hundred eighty-seven thousand, three hundred forty-one".