21514034241 has 40 divisors (see below), whose sum is σ = 36748958400. Its totient is φ = 12287197152.

The previous prime is 21514034219. The next prime is 21514034251. The reversal of 21514034241 is 14243041512.

21514034241 is a `hidden beast` number, since 2 + 15 + 1 + 403 + 4 + 241 = 666.

It is not a de Polignac number, because 21514034241 - 2⁹ = 21514033729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (21514034251) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1181095 + ... + 1199171.

It is an arithmetic number, because the mean of its divisors is an integer number (918723960).

Almost surely, 2^21514034241 is an apocalyptic number.

21514034241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21514034241 is a deficient number, since it is larger than the sum of its proper divisors (15234924159).

21514034241 is a wasteful number, since it uses less digits than its factorization.

21514034241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20195 (or 20186 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 21514034241 its reverse (14243041512), we get a palindrome (35757075753).

The spelling of 21514034241 in words is "twenty-one billion, five hundred fourteen million, thirty-four thousand, two hundred forty-one".