14290551621 has 6 divisors (see below), whose sum is σ = 20641907910. Its totient is φ = 9527034408.

The previous prime is 14290551619. The next prime is 14290551689. The reversal of 14290551621 is 12615509241.

14290551621 is a `hidden beast` number, since 1 + 4 + 29 + 0 + 5 + 5 + 1 + 621 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12221302500 + 2069249121 = 110550^2 + 45489^2 .

It is not a de Polignac number, because 14290551621 - 2¹ = 14290551619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14290551421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 793919526 + ... + 793919543.

It is an arithmetic number, because the mean of its divisors is an integer number (3440317985).

Almost surely, 2^14290551621 is an apocalyptic number.

It is an amenable number.

14290551621 is a deficient number, since it is larger than the sum of its proper divisors (6351356289).

14290551621 is a wasteful number, since it uses less digits than its factorization.

14290551621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587839075 (or 1587839072 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 14290551621 in words is "fourteen billion, two hundred ninety million, five hundred fifty-one thousand, six hundred twenty-one".