1098648097 has 4 divisors (see below), whose sum is σ = 1099727280. Its totient is φ = 1097568916.

The previous prime is 1098648053. The next prime is 1098648101. The reversal of 1098648097 is 7908468901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7908468901 = 17 ⋅465204053.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1098648097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1098648007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538063 + ... + 540100.

It is an arithmetic number, because the mean of its divisors is an integer number (274931820).

Almost surely, 2^1098648097 is an apocalyptic number.

It is an amenable number.

1098648097 is a deficient number, since it is larger than the sum of its proper divisors (1079183).

1098648097 is a wasteful number, since it uses less digits than its factorization.

1098648097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079182.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 1098648097 is about 33145.8609331542. The cubic root of 1098648097 is about 1031.8570504006.

The spelling of 1098648097 in words is "one billion, ninety-eight million, six hundred forty-eight thousand, ninety-seven".