5644420370 has 32 divisors (see below), whose sum is σ = 10423683072. Its totient is φ = 2199439872.

The previous prime is 5644420367. The next prime is 5644420373. The reversal of 5644420370 is 730244465.

It is an interprime number because it is at equal distance from previous prime (5644420367) and next prime (5644420373).

It is a self number, because there is not a number n which added to its sum of digits gives 5644420370.

It is not an unprimeable number, because it can be changed into a prime (5644420373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147554 + ... + 181826.

It is an arithmetic number, because the mean of its divisors is an integer number (325740096).

Almost surely, 2^5644420370 is an apocalyptic number.

5644420370 is a deficient number, since it is larger than the sum of its proper divisors (4779262702).

5644420370 is a wasteful number, since it uses less digits than its factorization.

5644420370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34706.

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 5644420370 is about 75129.3575774477. The cubic root of 5644420370 is about 1780.4910030818.

The spelling of 5644420370 in words is "five billion, six hundred forty-four million, four hundred twenty thousand, three hundred seventy".