5643909490 has 16 divisors (see below), whose sum is σ = 10192133952. Its totient is φ = 2250208944.

The previous prime is 5643909451. The next prime is 5643909503. The reversal of 5643909490 is 949093465.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916134 + ... + 922273.

It is an arithmetic number, because the mean of its divisors is an integer number (637008372).

Almost surely, 2^5643909490 is an apocalyptic number.

5643909490 is a deficient number, since it is larger than the sum of its proper divisors (4548224462).

5643909490 is a wasteful number, since it uses less digits than its factorization.

5643909490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838721.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The square root of 5643909490 is about 75125.9574980579. The cubic root of 5643909490 is about 1780.4372836781.

The spelling of 5643909490 in words is "five billion, six hundred forty-three million, nine hundred nine thousand, four hundred ninety".