5318947690 has 16 divisors (see below), whose sum is σ = 10941835392. Its totient is φ = 1823639184.

The previous prime is 5318947679. The next prime is 5318947717. The reversal of 5318947690 is 967498135.

It is a happy number.

It is a super-2 number, since 2×5318947690² = 56582409057912672200, which contains 22 as substring.

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, 37992414 + ... + 37992553.

It is an arithmetic number, because the mean of its divisors is an integer number (683864712).

Almost surely, 2^5318947690 is an apocalyptic number.

5318947690 is an abundant number, since it is smaller than the sum of its proper divisors (5622887702).

5318947690 is a wasteful number, since it uses less digits than its factorization.

5318947690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75984981.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 5318947690 is about 72931.1160616647. The cubic root of 5318947690 is about 1745.5886378489.

The spelling of 5318947690 in words is "five billion, three hundred eighteen million, nine hundred forty-seven thousand, six hundred ninety".