1382620870801 has 3 divisors (see below), whose sum is σ = 1382622046651. Its totient is φ = 1382619694952.

The previous prime is 1382620870789. The next prime is 1382620870811. The reversal of 1382620870801 is 1080780262831.

The square root of 1382620870801 is 1175849.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 974861997201 + 407758873600 = 987351^2 + 638560^2 .

It is not a de Polignac number, because 1382620870801 - 2¹¹ = 1382620868753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1382620870811) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 587925 + ... + 1763773.

Almost surely, 2^{1382620870801} is an apocalyptic number.

1382620870801 is the 1175849-th square number.

1382620870801 is the 587925-th centered octagonal number.

It is an amenable number.

1382620870801 is a deficient number, since it is larger than the sum of its proper divisors (1175850).

1382620870801 is an frugal number, since it uses more digits than its factorization.

1382620870801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351698 (or 1175849 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 1382620870801 in words is "one trillion, three hundred eighty-two billion, six hundred twenty million, eight hundred seventy thousand, eight hundred one".