3893730545 has 16 divisors (see below), whose sum is σ = 4713230592. Its totient is φ = 3087902400.

The previous prime is 3893730523. The next prime is 3893730571. The reversal of 3893730545 is 5450373983.

3893730545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3893730545 - 2⁶ = 3893730481 is a prime.

It is a super-2 number, since 2×3893730545² = 30322275114131994050, which contains 22 as substring.

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 3893730545.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374639 + ... + 384891.

It is an arithmetic number, because the mean of its divisors is an integer number (294576912).

Almost surely, 2^3893730545 is an apocalyptic number.

It is an amenable number.

3893730545 is a deficient number, since it is larger than the sum of its proper divisors (819500047).

3893730545 is a wasteful number, since it uses less digits than its factorization.

3893730545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10912.

The product of its (nonzero) digits is 1360800, while the sum is 47.

The square root of 3893730545 is about 62399.7639819254. The cubic root of 3893730545 is about 1573.2170023701.

The spelling of 3893730545 in words is "three billion, eight hundred ninety-three million, seven hundred thirty thousand, five hundred forty-five".