1098969539 has 8 divisors (see below), whose sum is σ = 1165330800. Its totient is φ = 1032798976.

The previous prime is 1098969517. The next prime is 1098969563. The reversal of 1098969539 is 9359698901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1098969539 - 2¹⁶ = 1098904003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1098969589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35714 + ... + 58935.

It is an arithmetic number, because the mean of its divisors is an integer number (145666350).

Almost surely, 2^1098969539 is an apocalyptic number.

1098969539 is a deficient number, since it is larger than the sum of its proper divisors (66361261).

1098969539 is an equidigital number, since it uses as much as digits as its factorization.

1098969539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95349.

The product of its (nonzero) digits is 4723920, while the sum is 59.

The square root of 1098969539 is about 33150.7094795873. The cubic root of 1098969539 is about 1031.9576740223.

The spelling of 1098969539 in words is "one billion, ninety-eight million, nine hundred sixty-nine thousand, five hundred thirty-nine".