4959905389 has 4 divisors (see below), whose sum is σ = 5093956924. Its totient is φ = 4825853856.

The previous prime is 4959905333. The next prime is 4959905399. The reversal of 4959905389 is 9835099594.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9835099594 = 2 ⋅4917549797.

It can be written as a sum of positive squares in 2 ways, for example, as 2083192164 + 2876713225 = 45642^2 + 53635^2 .

It is a cyclic number.

It is not a de Polignac number, because 4959905389 - 2²¹ = 4957808237 is a prime.

It is a super-2 number, since 2×4959905389² = 49201322935662482642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4959905309) 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, 67025712 + ... + 67025785.

It is an arithmetic number, because the mean of its divisors is an integer number (1273489231).

Almost surely, 2^4959905389 is an apocalyptic number.

It is an amenable number.

4959905389 is a deficient number, since it is larger than the sum of its proper divisors (134051535).

4959905389 is a wasteful number, since it uses less digits than its factorization.

4959905389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134051534.

The product of its (nonzero) digits is 15746400, while the sum is 61.

The square root of 4959905389 is about 70426.5957504692. The cubic root of 4959905389 is about 1705.3929531762.

The spelling of 4959905389 in words is "four billion, nine hundred fifty-nine million, nine hundred five thousand, three hundred eighty-nine".