5408621617 has 6 divisors (see below), whose sum is σ = 6291661938. Its totient is φ = 4635961344.

The previous prime is 5408621573. The next prime is 5408621651. The reversal of 5408621617 is 7161268045.

It can be written as a sum of positive squares in only one way, i.e., 3237154816 + 2171466801 = 56896^2 + 46599^2 .

It is not a de Polignac number, because 5408621617 - 2²³ = 5400233009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5408621617.

It is not an unprimeable number, because it can be changed into a prime (5408621117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55189968 + ... + 55190065.

It is an arithmetic number, because the mean of its divisors is an integer number (1048610323).

Almost surely, 2^5408621617 is an apocalyptic number.

It is an amenable number.

5408621617 is a deficient number, since it is larger than the sum of its proper divisors (883040321).

5408621617 is a wasteful number, since it uses less digits than its factorization.

5408621617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110380047 (or 110380040 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 5408621617 is about 73543.3315603801. The cubic root of 5408621617 is about 1755.3438413103.

The spelling of 5408621617 in words is "five billion, four hundred eight million, six hundred twenty-one thousand, six hundred seventeen".