238180841493 has 16 divisors (see below), whose sum is σ = 364233853056. Its totient is φ = 135618981120.

The previous prime is 238180841489. The next prime is 238180841501. The reversal of 238180841493 is 394148081832.

It is a happy number.

It is not a de Polignac number, because 238180841493 - 2² = 238180841489 is a prime.

It is a super-2 number, since 2×238180841493² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238180849493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20175496 + ... + 20187297.

It is an arithmetic number, because the mean of its divisors is an integer number (22764615816).

Almost surely, 2^238180841493 is an apocalyptic number.

It is an amenable number.

238180841493 is a deficient number, since it is larger than the sum of its proper divisors (126053011563).

238180841493 is a wasteful number, since it uses less digits than its factorization.

238180841493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40363084.

The product of its (nonzero) digits is 1327104, while the sum is 51.

It can be divided in two parts, 2381808 and 41493, that added together give a triangular number (2423301 = T₂₂₀₁).

The spelling of 238180841493 in words is "two hundred thirty-eight billion, one hundred eighty million, eight hundred forty-one thousand, four hundred ninety-three".