238435691915 has 8 divisors (see below), whose sum is σ = 290042321568. Its totient is φ = 188135559360.

The previous prime is 238435691903. The next prime is 238435691933. The reversal of 238435691915 is 519196534832.

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

It is not a de Polignac number, because 238435691915 - 2²² = 238431497611 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326623871 + ... + 326624600.

It is an arithmetic number, because the mean of its divisors is an integer number (36255290196).

Almost surely, 2^238435691915 is an apocalyptic number.

238435691915 is a deficient number, since it is larger than the sum of its proper divisors (51606629653).

238435691915 is an equidigital number, since it uses as much as digits as its factorization.

238435691915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653248549.

The product of its digits is 6998400, while the sum is 56.

The spelling of 238435691915 in words is "two hundred thirty-eight billion, four hundred thirty-five million, six hundred ninety-one thousand, nine hundred fifteen".