5811342738 has 16 divisors (see below), whose sum is σ = 11625647040. Its totient is φ = 1936620656.

The previous prime is 5811342737. The next prime is 5811342743. The reversal of 5811342738 is 8372431185.

It is a self number, because there is not a number n which added to its sum of digits gives 5811342738.

It is not an unprimeable number, because it can be changed into a prime (5811342731) 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, 97470 + ... + 145337.

It is an arithmetic number, because the mean of its divisors is an integer number (726602940).

Almost surely, 2^5811342738 is an apocalyptic number.

5811342738 is an abundant number, since it is smaller than the sum of its proper divisors (5814304302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5811342738 is a wasteful number, since it uses less digits than its factorization.

5811342738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246801.

The product of its digits is 161280, while the sum is 42.

The square root of 5811342738 is about 76232.1634088919. The cubic root of 5811342738 is about 1797.8722531045.

The spelling of 5811342738 in words is "five billion, eight hundred eleven million, three hundred forty-two thousand, seven hundred thirty-eight".