1001098519 has 2 divisors, whose sum is σ = 1001098520. Its totient is φ = 1001098518.

The previous prime is 1001098493. The next prime is 1001098541. The reversal of 1001098519 is 9158901001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001098519 is a prime.

It is a super-2 number, since 2×1001098519² = 2004396489487986722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001095519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500549259 + 500549260.

It is an arithmetic number, because the mean of its divisors is an integer number (500549260).

Almost surely, 2^1001098519 is an apocalyptic number.

1001098519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001098519 is an equidigital number, since it uses as much as digits as its factorization.

1001098519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 34.

The square root of 1001098519 is about 31640.1409446924. The cubic root of 1001098519 is about 1000.3660389991.

The spelling of 1001098519 in words is "one billion, one million, ninety-eight thousand, five hundred nineteen".