5618909401 has 4 divisors (see below), whose sum is σ = 6421610752. Its totient is φ = 4816208052.

The previous prime is 5618909383. The next prime is 5618909419. The reversal of 5618909401 is 1049098165.

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 an interprime number because it is at equal distance from previous prime (5618909383) and next prime (5618909419).

It is a cyclic number.

It is not a de Polignac number, because 5618909401 - 2¹¹ = 5618907353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5618909441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401350665 + ... + 401350678.

It is an arithmetic number, because the mean of its divisors is an integer number (1605402688).

Almost surely, 2^5618909401 is an apocalyptic number.

It is an amenable number.

5618909401 is a deficient number, since it is larger than the sum of its proper divisors (802701351).

5618909401 is an equidigital number, since it uses as much as digits as its factorization.

5618909401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802701350.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 5618909401 is about 74959.3850094836. The cubic root of 5618909401 is about 1777.8045356692.

The spelling of 5618909401 in words is "five billion, six hundred eighteen million, nine hundred nine thousand, four hundred one".