5644939702 has 4 divisors (see below), whose sum is σ = 8467409556. Its totient is φ = 2822469850.

The previous prime is 5644939679. The next prime is 5644939711. The reversal of 5644939702 is 2079394465.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1411234924 + ... + 1411234927.

It is an arithmetic number, because the mean of its divisors is an integer number (2116852389).

Almost surely, 2^5644939702 is an apocalyptic number.

5644939702 is a deficient number, since it is larger than the sum of its proper divisors (2822469854).

5644939702 is a wasteful number, since it uses less digits than its factorization.

5644939702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822469853.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The square root of 5644939702 is about 75132.8137500520. The cubic root of 5644939702 is about 1780.5456078971.

The spelling of 5644939702 in words is "five billion, six hundred forty-four million, nine hundred thirty-nine thousand, seven hundred two".