1369789801 has 2 divisors, whose sum is σ = 1369789802. Its totient is φ = 1369789800.

The previous prime is 1369789793. The next prime is 1369789829. The reversal of 1369789801 is 1089879631.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 798627600 + 571162201 = 28260^2 + 23899^2 .

It is an emirp because it is prime and its reverse (1089879631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1369789801 - 2³ = 1369789793 is a prime.

It is not a weakly prime, because it can be changed into another prime (1369789891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684894900 + 684894901.

It is an arithmetic number, because the mean of its divisors is an integer number (684894901).

Almost surely, 2^1369789801 is an apocalyptic number.

It is an amenable number.

1369789801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1369789801 is an equidigital number, since it uses as much as digits as its factorization.

1369789801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 52.

The square root of 1369789801 is about 37010.6714475704. The cubic root of 1369789801 is about 1110.5837367390.

The spelling of 1369789801 in words is "one billion, three hundred sixty-nine million, seven hundred eighty-nine thousand, eight hundred one".