378488020353 has 4 divisors (see below), whose sum is σ = 504650693808. Its totient is φ = 252325346900.

The previous prime is 378488020333. The next prime is 378488020399. The reversal of 378488020353 is 353020884873.

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, and also an emirpimes, since its reverse is a distinct semiprime: 353020884873 = 3 ⋅117673628291.

It is a cyclic number.

It is not a de Polignac number, because 378488020353 - 2³⁰ = 377414278529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 378488020296 and 378488020305.

It is not an unprimeable number, because it can be changed into a prime (378488020333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63081336723 + ... + 63081336728.

It is an arithmetic number, because the mean of its divisors is an integer number (126162673452).

Almost surely, 2^378488020353 is an apocalyptic number.

It is an amenable number.

378488020353 is a deficient number, since it is larger than the sum of its proper divisors (126162673455).

378488020353 is a wasteful number, since it uses less digits than its factorization.

378488020353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126162673454.

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 378488020353 in words is "three hundred seventy-eight billion, four hundred eighty-eight million, twenty thousand, three hundred fifty-three".