238902386899 has 8 divisors (see below), whose sum is σ = 260666907840. Its totient is φ = 217145553000.

The previous prime is 238902386873. The next prime is 238902386917. The reversal of 238902386899 is 998683209832.

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

It is a cyclic number.

It is not a de Polignac number, because 238902386899 - 2¹³ = 238902378707 is a prime.

It is a super-3 number, since 3×238902386899³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238902386819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1856677 + ... + 1981174.

It is an arithmetic number, because the mean of its divisors is an integer number (32583363480).

Almost surely, 2^238902386899 is an apocalyptic number.

238902386899 is a deficient number, since it is larger than the sum of its proper divisors (21764520941).

238902386899 is a wasteful number, since it uses less digits than its factorization.

238902386899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3843521.

The product of its (nonzero) digits is 80621568, while the sum is 67.

The spelling of 238902386899 in words is "two hundred thirty-eight billion, nine hundred two million, three hundred eighty-six thousand, eight hundred ninety-nine".