4451521614 has 16 divisors (see below), whose sum is σ = 9290132352. Its totient is φ = 1419325688.

The previous prime is 4451521589. The next prime is 4451521643. The reversal of 4451521614 is 4161251544.

It is a congruent number.

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, 16128564 + ... + 16128839.

It is an arithmetic number, because the mean of its divisors is an integer number (580633272).

Almost surely, 2^4451521614 is an apocalyptic number.

4451521614 is an abundant number, since it is smaller than the sum of its proper divisors (4838610738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4451521614 is a wasteful number, since it uses less digits than its factorization.

4451521614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32257431.

The product of its digits is 19200, while the sum is 33.

The square root of 4451521614 is about 66719.7243249700. The cubic root of 4451521614 is about 1645.0136101337.

The spelling of 4451521614 in words is "four billion, four hundred fifty-one million, five hundred twenty-one thousand, six hundred fourteen".