1098616835 has 4 divisors (see below), whose sum is σ = 1318340208. Its totient is φ = 878893464.

The previous prime is 1098616819. The next prime is 1098616861. The reversal of 1098616835 is 5386168901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5386168901 = 30109 ⋅178889.

It is a cyclic number.

It is not a de Polignac number, because 1098616835 - 2⁴ = 1098616819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1098616835.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109861679 + ... + 109861688.

It is an arithmetic number, because the mean of its divisors is an integer number (329585052).

Almost surely, 2^1098616835 is an apocalyptic number.

1098616835 is a deficient number, since it is larger than the sum of its proper divisors (219723373).

1098616835 is an equidigital number, since it uses as much as digits as its factorization.

1098616835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219723372.

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 1098616835 is about 33145.3893475397. The cubic root of 1098616835 is about 1031.8472631535.

The spelling of 1098616835 in words is "one billion, ninety-eight million, six hundred sixteen thousand, eight hundred thirty-five".