1098458613 has 12 divisors (see below), whose sum is σ = 1813328608. Its totient is φ = 627690600.

The previous prime is 1098458611. The next prime is 1098458617. The reversal of 1098458613 is 3168548901.

It is not a de Polignac number, because 1098458613 - 2¹ = 1098458611 is a prime.

It is a super-2 number, since 2×1098458613² = 2413222648947767538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098458611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8717863 + ... + 8717988.

Almost surely, 2^1098458613 is an apocalyptic number.

It is an amenable number.

1098458613 is a deficient number, since it is larger than the sum of its proper divisors (714869995).

1098458613 is a wasteful number, since it uses less digits than its factorization.

1098458613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17435864 (or 17435861 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 1098458613 is about 33143.0024741272. The cubic root of 1098458613 is about 1031.7977254771.

The spelling of 1098458613 in words is "one billion, ninety-eight million, four hundred fifty-eight thousand, six hundred thirteen".