21471354572314 has 16 divisors (see below), whose sum is σ = 33607971267840. Its totient is φ = 10268715085200.

The previous prime is 21471354572273. The next prime is 21471354572341. The reversal of 21471354572314 is 41327545317412.

It is a super-2 number, since 2×21471354572314² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1919337 + ... + 6828364.

It is an arithmetic number, because the mean of its divisors is an integer number (2100498204240).

Almost surely, 2^{21471354572314} is an apocalyptic number.

21471354572314 is a deficient number, since it is larger than the sum of its proper divisors (12136616695526).

21471354572314 is a wasteful number, since it uses less digits than its factorization.

21471354572314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8801085.

The product of its digits is 2822400, while the sum is 49.

Adding to 21471354572314 its reverse (41327545317412), we get a palindrome (62798899889726).

The spelling of 21471354572314 in words is "twenty-one trillion, four hundred seventy-one billion, three hundred fifty-four million, five hundred seventy-two thousand, three hundred fourteen".