9999998053 has 24 divisors (see below), whose sum is σ = 10771659360. Its totient is φ = 9257320800.

The previous prime is 9999998027. The next prime is 9999998083. The reversal of 9999998053 is 3508999999.

It is not a de Polignac number, because 9999998053 - 2²¹ = 9997900901 is a prime.

It is a super-2 number, since 2×9999998053² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9999998023) 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, 12546651 + ... + 12547447.

It is an arithmetic number, because the mean of its divisors is an integer number (448819140).

Almost surely, 2^9999998053 is an apocalyptic number.

It is an amenable number.

9999998053 is a deficient number, since it is larger than the sum of its proper divisors (771661307).

9999998053 is a wasteful number, since it uses less digits than its factorization.

9999998053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 63772920, while the sum is 70.

The square root of 9999998053 is about 99999.9902649995. The cubic root of 9999998053 is about 2154.4345502091.

The spelling of 9999998053 in words is "nine billion, nine hundred ninety-nine million, nine hundred ninety-eight thousand, fifty-three".