4315149921 has 4 divisors (see below), whose sum is σ = 5753533232. Its totient is φ = 2876766612.

The previous prime is 4315149911. The next prime is 4315149961. The reversal of 4315149921 is 1299415134.

4315149921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4315149921 - 2¹¹ = 4315147873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4315149921.

It is not an unprimeable number, because it can be changed into a prime (4315149911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719191651 + ... + 719191656.

It is an arithmetic number, because the mean of its divisors is an integer number (1438383308).

Almost surely, 2^4315149921 is an apocalyptic number.

It is an amenable number.

4315149921 is a deficient number, since it is larger than the sum of its proper divisors (1438383311).

4315149921 is a wasteful number, since it uses less digits than its factorization.

4315149921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438383310.

The product of its digits is 38880, while the sum is 39.

The square root of 4315149921 is about 65689.8007380141. The cubic root of 4315149921 is about 1628.0408445030.

The spelling of 4315149921 in words is "four billion, three hundred fifteen million, one hundred forty-nine thousand, nine hundred twenty-one".