16839496490 has 16 divisors (see below), whose sum is σ = 30486305448. Its totient is φ = 6696862656.

The previous prime is 16839496477. The next prime is 16839496537. The reversal of 16839496490 is 9469493861.

It can be written as a sum of positive squares in 4 ways, for example, as 15329163721 + 1510332769 = 123811^2 + 38863^2 .

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, 4865177 + ... + 4868636.

Almost surely, 2^16839496490 is an apocalyptic number.

16839496490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16839496490 is a deficient number, since it is larger than the sum of its proper divisors (13646808958).

16839496490 is a wasteful number, since it uses less digits than its factorization.

16839496490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9733993.

The product of its (nonzero) digits is 10077696, while the sum is 59.

The spelling of 16839496490 in words is "sixteen billion, eight hundred thirty-nine million, four hundred ninety-six thousand, four hundred ninety".