1098902099 has 2 divisors, whose sum is σ = 1098902100. Its totient is φ = 1098902098.

The previous prime is 1098902093. The next prime is 1098902141. The reversal of 1098902099 is 9902098901.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1098902099 is a prime.

It is not a weakly prime, because it can be changed into another prime (1098902093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549451049 + 549451050.

It is an arithmetic number, because the mean of its divisors is an integer number (549451050).

Almost surely, 2^1098902099 is an apocalyptic number.

1098902099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098902099 is an equidigital number, since it uses as much as digits as its factorization.

1098902099 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 47.

The square root of 1098902099 is about 33149.6922911812. The cubic root of 1098902099 is about 1031.9365643534.

The spelling of 1098902099 in words is "one billion, ninety-eight million, nine hundred two thousand, ninety-nine".