7268189898 has 8 divisors (see below), whose sum is σ = 14536379808. Its totient is φ = 2422729964.

The previous prime is 7268189879. The next prime is 7268189923. The reversal of 7268189898 is 8989818627.

It is a sphenic number, since it is the product of 3 distinct primes.

7268189898 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605682486 + ... + 605682497.

It is an arithmetic number, because the mean of its divisors is an integer number (1817047476).

Almost surely, 2^7268189898 is an apocalyptic number.

7268189898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7268189898 is a wasteful number, since it uses less digits than its factorization.

7268189898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211364988.

The product of its digits is 27869184, while the sum is 66.

The square root of 7268189898 is about 85253.6796742522. The cubic root of 7268189898 is about 1937.0556087599.

The spelling of 7268189898 in words is "seven billion, two hundred sixty-eight million, one hundred eighty-nine thousand, eight hundred ninety-eight".