1098720413829 has 24 divisors (see below), whose sum is σ = 1611380476160. Its totient is φ = 721278914112.

The previous prime is 1098720413797. The next prime is 1098720413863. The reversal of 1098720413829 is 9283140278901.

1098720413829 is a `hidden beast` number, since 109 + 87 + 20 + 413 + 8 + 29 = 666.

It is not a de Polignac number, because 1098720413829 - 2⁵ = 1098720413797 is a prime.

It is a super-4 number, since 4×1098720413829⁴ (a number of 49 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098720413029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 944149 + ... + 1757514.

Almost surely, 2^{1098720413829} is an apocalyptic number.

It is an amenable number.

1098720413829 is a deficient number, since it is larger than the sum of its proper divisors (512660062331).

1098720413829 is a wasteful number, since it uses less digits than its factorization.

1098720413829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702361 (or 2702358 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 1098720413829 in words is "one trillion, ninety-eight billion, seven hundred twenty million, four hundred thirteen thousand, eight hundred twenty-nine".