4905784813 has 4 divisors (see below), whose sum is σ = 5064035968. Its totient is φ = 4747533660.

The previous prime is 4905784811. The next prime is 4905784853. The reversal of 4905784813 is 3184875094.

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 a cyclic number.

It is not a de Polignac number, because 4905784813 - 2¹ = 4905784811 is a prime.

It is a super-2 number, since 2×4905784813² = 48133449262922889938, 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 (4905784811) 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, 79125531 + ... + 79125592.

It is an arithmetic number, because the mean of its divisors is an integer number (1266008992).

Almost surely, 2^4905784813 is an apocalyptic number.

It is an amenable number.

4905784813 is a deficient number, since it is larger than the sum of its proper divisors (158251155).

4905784813 is a wasteful number, since it uses less digits than its factorization.

4905784813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158251154.

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 4905784813 is about 70041.3079046929. The cubic root of 4905784813 is about 1699.1673907800.

The spelling of 4905784813 in words is "four billion, nine hundred five million, seven hundred eighty-four thousand, eight hundred thirteen".