4154794521 has 8 divisors (see below), whose sum is σ = 5540285280. Its totient is φ = 2769583392.

The previous prime is 4154794517. The next prime is 4154794537. The reversal of 4154794521 is 1254974514.

4154794521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4154794521 - 2² = 4154794517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4154794321) 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, 32355 + ... + 96728.

It is an arithmetic number, because the mean of its divisors is an integer number (692535660).

Almost surely, 2^4154794521 is an apocalyptic number.

It is an amenable number.

4154794521 is a deficient number, since it is larger than the sum of its proper divisors (1385490759).

4154794521 is a wasteful number, since it uses less digits than its factorization.

4154794521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139815.

The product of its digits is 201600, while the sum is 42.

The square root of 4154794521 is about 64457.6955917600. The cubic root of 4154794521 is about 1607.6191963999.

The spelling of 4154794521 in words is "four billion, one hundred fifty-four million, seven hundred ninety-four thousand, five hundred twenty-one".