21476632537514 has 128 divisors (see below), whose sum is σ = 40694645182464. Its totient is φ = 8257582080000.

The previous prime is 21476632537501. The next prime is 21476632537523. The reversal of 21476632537514 is 41573523667412.

It is a happy number.

It is a super-2 number, since 2×21476632537514² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21476632537514.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7248271397 + ... + 7248274359.

It is an arithmetic number, because the mean of its divisors is an integer number (317926915488).

Almost surely, 2^{21476632537514} is an apocalyptic number.

21476632537514 is a deficient number, since it is larger than the sum of its proper divisors (19218012644950).

21476632537514 is a wasteful number, since it uses less digits than its factorization.

21476632537514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4452.

The product of its digits is 25401600, while the sum is 56.

The spelling of 21476632537514 in words is "twenty-one trillion, four hundred seventy-six billion, six hundred thirty-two million, five hundred thirty-seven thousand, five hundred fourteen".