1953368298 has 80 divisors (see below), whose sum is σ = 5020202880. Its totient is φ = 556105824.

The previous prime is 1953368293. The next prime is 1953368309. The reversal of 1953368298 is 8928633591.

1953368298 is a `hidden beast` number, since 19 + 5 + 336 + 8 + 298 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1953368293) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 329323 + ... + 335201.

It is an arithmetic number, because the mean of its divisors is an integer number (62752536).

Almost surely, 2^1953368298 is an apocalyptic number.

1953368298 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1953368298, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2510101440).

1953368298 is an abundant number, since it is smaller than the sum of its proper divisors (3066834582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1953368298 is a wasteful number, since it uses less digits than its factorization.

1953368298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6193 (or 6184 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 1953368298 is about 44196.9263410930. The cubic root of 1953368298 is about 1250.0519014183.

The spelling of 1953368298 in words is "one billion, nine hundred fifty-three million, three hundred sixty-eight thousand, two hundred ninety-eight".