1395278454441 has 8 divisors (see below), whose sum is σ = 1863595488544. Its totient is φ = 928573528320.

The previous prime is 1395278454419. The next prime is 1395278454443. The reversal of 1395278454441 is 1444548725931.

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

It is not a de Polignac number, because 1395278454441 - 2²⁵ = 1395244900009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1395278454443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403024975 + ... + 403028436.

It is an arithmetic number, because the mean of its divisors is an integer number (232949436068).

Almost surely, 2^{1395278454441} is an apocalyptic number.

It is an amenable number.

1395278454441 is a deficient number, since it is larger than the sum of its proper divisors (468317034103).

1395278454441 is an equidigital number, since it uses as much as digits as its factorization.

1395278454441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806053991.

The product of its digits is 19353600, while the sum is 57.

The spelling of 1395278454441 in words is "one trillion, three hundred ninety-five billion, two hundred seventy-eight million, four hundred fifty-four thousand, four hundred forty-one".