21514444041 has 8 divisors (see below), whose sum is σ = 28687580064. Its totient is φ = 14342135360.

The previous prime is 21514444037. The next prime is 21514444073. The reversal of 21514444041 is 14044441512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21514444041 - 2² = 21514444037 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21514444031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143376 + ... + 252161.

It is an arithmetic number, because the mean of its divisors is an integer number (3585947508).

Almost surely, 2^21514444041 is an apocalyptic number.

It is an amenable number.

21514444041 is a deficient number, since it is larger than the sum of its proper divisors (7173136023).

21514444041 is a wasteful number, since it uses less digits than its factorization.

21514444041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413671.

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 21514444041 its reverse (14044441512), we get a palindrome (35558885553).

The spelling of 21514444041 in words is "twenty-one billion, five hundred fourteen million, four hundred forty-four thousand, forty-one".