1098383999 has 2 divisors, whose sum is σ = 1098384000. Its totient is φ = 1098383998.

The previous prime is 1098383983. The next prime is 1098384071. The reversal of 1098383999 is 9993838901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1098383999 - 2⁴ = 1098383983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1095383999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549191999 + 549192000.

It is an arithmetic number, because the mean of its divisors is an integer number (549192000).

Almost surely, 2^1098383999 is an apocalyptic number.

1098383999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098383999 is an equidigital number, since it uses as much as digits as its factorization.

1098383999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3779136, while the sum is 59.

The square root of 1098383999 is about 33141.8768177060. The cubic root of 1098383999 is about 1031.7743629526.

The spelling of 1098383999 in words is "one billion, ninety-eight million, three hundred eighty-three thousand, nine hundred ninety-nine".