21487062296 has 32 divisors (see below), whose sum is σ = 46162116000. Its totient is φ = 9185058816.

The previous prime is 21487062293. The next prime is 21487062299. The reversal of 21487062296 is 69226078412.

It is an interprime number because it is at equal distance from previous prime (21487062293) and next prime (21487062299).

It is a super-3 number, since 3×21487062296³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 21487062296.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21487062293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471401 + ... + 514968.

It is an arithmetic number, because the mean of its divisors is an integer number (1442566125).

Almost surely, 2^21487062296 is an apocalyptic number.

It is an amenable number.

21487062296 is an abundant number, since it is smaller than the sum of its proper divisors (24675053704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21487062296 is a wasteful number, since it uses less digits than its factorization.

21487062296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986771 (or 986767 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 21487062296 in words is "twenty-one billion, four hundred eighty-seven million, sixty-two thousand, two hundred ninety-six".