1618930099 has 2 divisors, whose sum is σ = 1618930100. Its totient is φ = 1618930098.

The previous prime is 1618930067. The next prime is 1618930121. The reversal of 1618930099 is 9900398161.

It is a strong prime.

It is an emirp because it is prime and its reverse (9900398161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1618930099 - 2⁵ = 1618930067 is a prime.

It is not a weakly prime, because it can be changed into another prime (1618930039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 809465049 + 809465050.

It is an arithmetic number, because the mean of its divisors is an integer number (809465050).

Almost surely, 2^1618930099 is an apocalyptic number.

1618930099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1618930099 is an equidigital number, since it uses as much as digits as its factorization.

1618930099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 46.

The square root of 1618930099 is about 40235.9304477975. The cubic root of 1618930099 is about 1174.2016847444.

The spelling of 1618930099 in words is "one billion, six hundred eighteen million, nine hundred thirty thousand, ninety-nine".