1379804971801 has 9 divisors (see below), whose sum is σ = 1397585937951. Its totient is φ = 1362247463304.

The previous prime is 1379804971793. The next prime is 1379804971813. The reversal of 1379804971801 is 1081794089731.

The square root of 1379804971801 is 1174651.

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

It can be written as a sum of positive squares in only one way, i.e., 321828155401 + 1057976816400 = 567299^2 + 1028580^2 .

It is not a de Polignac number, because 1379804971801 - 2³ = 1379804971793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1379804971901) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 92789995 + ... + 92804863.

It is an arithmetic number, because the mean of its divisors is an integer number (155287326439).

Almost surely, 2^{1379804971801} is an apocalyptic number.

1379804971801 is the 1174651-st square number.

1379804971801 is the 587326-th centered octagonal number.

It is an amenable number.

1379804971801 is a deficient number, since it is larger than the sum of its proper divisors (17780966150).

1379804971801 is an frugal number, since it uses more digits than its factorization.

1379804971801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29896 (or 14948 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 58.

The spelling of 1379804971801 in words is "one trillion, three hundred seventy-nine billion, eight hundred four million, nine hundred seventy-one thousand, eight hundred one".