4505721351 has 8 divisors (see below), whose sum is σ = 6323819520. Its totient is φ = 2845718712.

The previous prime is 4505721323. The next prime is 4505721373. The reversal of 4505721351 is 1531275054.

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

It is not a de Polignac number, because 4505721351 - 2¹¹ = 4505719303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4505723351) 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, 39523815 + ... + 39523928.

It is an arithmetic number, because the mean of its divisors is an integer number (790477440).

Almost surely, 2^4505721351 is an apocalyptic number.

4505721351 is a deficient number, since it is larger than the sum of its proper divisors (1818098169).

4505721351 is a wasteful number, since it uses less digits than its factorization.

4505721351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79047765.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 4505721351 is about 67124.6702114804. The cubic root of 4505721351 is about 1651.6630127486.

The spelling of 4505721351 in words is "four billion, five hundred five million, seven hundred twenty-one thousand, three hundred fifty-one".