1383256450771 has 8 divisors (see below), whose sum is σ = 1489990500320. Its totient is φ = 1276569502272.

The previous prime is 1383256450769. The next prime is 1383256450781. The reversal of 1383256450771 is 1770546523831.

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

It is a cyclic number.

It is not a de Polignac number, because 1383256450771 - 2¹ = 1383256450769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1383256450781) 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, 11714250 + ... + 11831743.

It is an arithmetic number, because the mean of its divisors is an integer number (186248812540).

Almost surely, 2^{1383256450771} is an apocalyptic number.

1383256450771 is a deficient number, since it is larger than the sum of its proper divisors (106734049549).

1383256450771 is a wasteful number, since it uses less digits than its factorization.

1383256450771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23550525.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 1383256450771 in words is "one trillion, three hundred eighty-three billion, two hundred fifty-six million, four hundred fifty thousand, seven hundred seventy-one".