1098468893 has 4 divisors (see below), whose sum is σ = 1098874140. Its totient is φ = 1098063648.

The previous prime is 1098468853. The next prime is 1098468901. The reversal of 1098468893 is 3988648901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1055080324 + 43388569 = 32482^2 + 6587^2 .

It is a cyclic number.

It is not a de Polignac number, because 1098468893 - 2²⁸ = 830033437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098468823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198530 + ... + 203987.

It is an arithmetic number, because the mean of its divisors is an integer number (274718535).

Almost surely, 2^1098468893 is an apocalyptic number.

It is an amenable number.

1098468893 is a deficient number, since it is larger than the sum of its proper divisors (405247).

1098468893 is an equidigital number, since it uses as much as digits as its factorization.

1098468893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405246.

The product of its (nonzero) digits is 2985984, while the sum is 56.

The square root of 1098468893 is about 33143.1575592912. The cubic root of 1098468893 is about 1031.8009441835.

The spelling of 1098468893 in words is "one billion, ninety-eight million, four hundred sixty-eight thousand, eight hundred ninety-three".