238670628893 has 4 divisors (see below), whose sum is σ = 251232240960. Its totient is φ = 226109016828.

The previous prime is 238670628887. The next prime is 238670628901. The reversal of 238670628893 is 398826076832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 238670628893 - 2⁴ = 238670628877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238670628793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6280806005 + ... + 6280806042.

It is an arithmetic number, because the mean of its divisors is an integer number (62808060240).

Almost surely, 2^238670628893 is an apocalyptic number.

It is an amenable number.

238670628893 is a deficient number, since it is larger than the sum of its proper divisors (12561612067).

238670628893 is a wasteful number, since it uses less digits than its factorization.

238670628893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12561612066.

The product of its (nonzero) digits is 41803776, while the sum is 62.

The spelling of 238670628893 in words is "two hundred thirty-eight billion, six hundred seventy million, six hundred twenty-eight thousand, eight hundred ninety-three".