378241782441 has 4 divisors (see below), whose sum is σ = 504322376592. Its totient is φ = 252161188292.

The previous prime is 378241782439. The next prime is 378241782463. The reversal of 378241782441 is 144287142873.

It is a happy number.

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 378241782441 - 2¹ = 378241782439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378241789441) 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, 63040297071 + ... + 63040297076.

It is an arithmetic number, because the mean of its divisors is an integer number (126080594148).

Almost surely, 2^378241782441 is an apocalyptic number.

It is an amenable number.

378241782441 is a deficient number, since it is larger than the sum of its proper divisors (126080594151).

378241782441 is a wasteful number, since it uses less digits than its factorization.

378241782441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126080594150.

The product of its digits is 2408448, while the sum is 51.

The spelling of 378241782441 in words is "three hundred seventy-eight billion, two hundred forty-one million, seven hundred eighty-two thousand, four hundred forty-one".