5618419649 has 8 divisors (see below), whose sum is σ = 5700989952. Its totient is φ = 5536203760.

The previous prime is 5618419619. The next prime is 5618419657. The reversal of 5618419649 is 9469148165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5618419649 - 2⁸ = 5618419393 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 5618419649.

It is not an unprimeable number, because it can be changed into a prime (5618419619) 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, 56582 + ... + 120159.

It is an arithmetic number, because the mean of its divisors is an integer number (712623744).

Almost surely, 2^5618419649 is an apocalyptic number.

It is an amenable number.

5618419649 is a deficient number, since it is larger than the sum of its proper divisors (82570303).

5618419649 is a wasteful number, since it uses less digits than its factorization.

5618419649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177207.

The product of its digits is 1866240, while the sum is 53.

The square root of 5618419649 is about 74956.1181558917. The cubic root of 5618419649 is about 1777.7528821920.

The spelling of 5618419649 in words is "five billion, six hundred eighteen million, four hundred nineteen thousand, six hundred forty-nine".