1314849795561 has 27 divisors (see below), whose sum is σ = 2004547486071. Its totient is φ = 830390169744.

The previous prime is 1314849795559. The next prime is 1314849795563. The reversal of 1314849795561 is 1655979484131.

The square root of 1314849795561 is 1146669.

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

1314849795561 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 8 + 4 + 9 + 79 + 556 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1314849795559) and next prime (1314849795563).

It can be written as a sum of positive squares in only one way, i.e., 272906984025 + 1041942811536 = 522405^2 + 1020756^2 .

It is not a de Polignac number, because 1314849795561 - 2¹ = 1314849795559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1314849795563) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 65350075 + ... + 65370191.

Almost surely, 2^{1314849795561} is an apocalyptic number.

1314849795561 is the 1146669-th square number.

1314849795561 is the 573335-th centered octagonal number.

It is an amenable number.

1314849795561 is a deficient number, since it is larger than the sum of its proper divisors (689697690510).

1314849795561 is an frugal number, since it uses more digits than its factorization.

1314849795561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40278 (or 20139 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 63.

The spelling of 1314849795561 in words is "one trillion, three hundred fourteen billion, eight hundred forty-nine million, seven hundred ninety-five thousand, five hundred sixty-one".