5619615478 has 4 divisors (see below), whose sum is σ = 8429423220. Its totient is φ = 2809807738.

The previous prime is 5619615473. The next prime is 5619615487. The reversal of 5619615478 is 8745169165.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5619615473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1404903868 + ... + 1404903871.

It is an arithmetic number, because the mean of its divisors is an integer number (2107355805).

Almost surely, 2^5619615478 is an apocalyptic number.

5619615478 is a deficient number, since it is larger than the sum of its proper divisors (2809807742).

5619615478 is a wasteful number, since it uses less digits than its factorization.

5619615478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809807741.

The product of its digits is 1814400, while the sum is 52.

The square root of 5619615478 is about 74964.0945920112. The cubic root of 5619615478 is about 1777.8789993671.

The spelling of 5619615478 in words is "five billion, six hundred nineteen million, six hundred fifteen thousand, four hundred seventy-eight".