5821464138 has 64 divisors (see below), whose sum is σ = 13575278592. Its totient is φ = 1629725760.

The previous prime is 5821464127. The next prime is 5821464221. The reversal of 5821464138 is 8314641285.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 5821464138.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2454093 + ... + 2456463.

It is an arithmetic number, because the mean of its divisors is an integer number (212113728).

Almost surely, 2^5821464138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5821464138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6787639296).

5821464138 is an abundant number, since it is smaller than the sum of its proper divisors (7753814454).

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

5821464138 is a wasteful number, since it uses less digits than its factorization.

5821464138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3539.

The product of its digits is 184320, while the sum is 42.

The square root of 5821464138 is about 76298.5198939010. The cubic root of 5821464138 is about 1798.9154101920.

The spelling of 5821464138 in words is "five billion, eight hundred twenty-one million, four hundred sixty-four thousand, one hundred thirty-eight".