2309698098 has 128 divisors (see below), whose sum is σ = 5684256000. Its totient is φ = 691891200.

The previous prime is 2309698091. The next prime is 2309698099. The reversal of 2309698098 is 8908969032.

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

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 (2309698091) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2688393 + ... + 2689251.

It is an arithmetic number, because the mean of its divisors is an integer number (44408250).

Almost surely, 2^2309698098 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2309698098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2842128000).

2309698098 is an abundant number, since it is smaller than the sum of its proper divisors (3374557902).

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

2309698098 is a wasteful number, since it uses less digits than its factorization.

2309698098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 2309698098 is about 48059.3185344944. The cubic root of 2309698098 is about 1321.8588171451.

The spelling of 2309698098 in words is "two billion, three hundred nine million, six hundred ninety-eight thousand, ninety-eight".