1098673519 has 2 divisors, whose sum is σ = 1098673520. Its totient is φ = 1098673518.

The previous prime is 1098673493. The next prime is 1098673547. The reversal of 1098673519 is 9153768901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1098673519 - 2⁷ = 1098673391 is a prime.

It is a super-2 number, since 2×1098673519² = 2414167002703686722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1098673549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549336759 + 549336760.

It is an arithmetic number, because the mean of its divisors is an integer number (549336760).

Almost surely, 2^1098673519 is an apocalyptic number.

1098673519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098673519 is an equidigital number, since it uses as much as digits as its factorization.

1098673519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 1098673519 is about 33146.2444177316. The cubic root of 1098673519 is about 1031.8650091721.

The spelling of 1098673519 in words is "one billion, ninety-eight million, six hundred seventy-three thousand, five hundred nineteen".