1380953451271 has 4 divisors (see below), whose sum is σ = 1380961505944. Its totient is φ = 1380945396600.

The previous prime is 1380953451253. The next prime is 1380953451301. The reversal of 1380953451271 is 1721543590831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1380953451271 - 2³⁵ = 1346593712903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380953451211) 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, 3764445 + ... + 4114966.

It is an arithmetic number, because the mean of its divisors is an integer number (345240376486).

Almost surely, 2^{1380953451271} is an apocalyptic number.

1380953451271 is a deficient number, since it is larger than the sum of its proper divisors (8054673).

1380953451271 is an equidigital number, since it uses as much as digits as its factorization.

1380953451271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8054672.

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 1380953451271 in words is "one trillion, three hundred eighty billion, nine hundred fifty-three million, four hundred fifty-one thousand, two hundred seventy-one".