378813357441 has 12 divisors (see below), whose sum is σ = 579361605732. Its totient is φ = 237686812416.

The previous prime is 378813357431. The next prime is 378813357469. The reversal of 378813357441 is 144753318873.

378813357441 is a `hidden beast` number, since 3 + 78 + 81 + 3 + 3 + 57 + 441 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 257642532225 + 121170825216 = 507585^2 + 348096^2 .

It is not a de Polignac number, because 378813357441 - 2¹³ = 378813349249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378813357431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1237951996 + ... + 1237952301.

It is an arithmetic number, because the mean of its divisors is an integer number (48280133811).

Almost surely, 2^378813357441 is an apocalyptic number.

It is an amenable number.

378813357441 is a deficient number, since it is larger than the sum of its proper divisors (200548248291).

378813357441 is a wasteful number, since it uses less digits than its factorization.

378813357441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475904320 (or 2475904317 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 378813357441 in words is "three hundred seventy-eight billion, eight hundred thirteen million, three hundred fifty-seven thousand, four hundred forty-one".