1314969661 has 4 divisors (see below), whose sum is σ = 1315124572. Its totient is φ = 1314814752.

The previous prime is 1314969631. The next prime is 1314969679. The reversal of 1314969661 is 1669694131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 520068025 + 794901636 = 22805^2 + 28194^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314969661 - 2¹³ = 1314961469 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 (1314969631) 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, 63936 + ... + 81961.

It is an arithmetic number, because the mean of its divisors is an integer number (328781143).

Almost surely, 2^1314969661 is an apocalyptic number.

It is an amenable number.

1314969661 is a deficient number, since it is larger than the sum of its proper divisors (154911).

1314969661 is an equidigital number, since it uses as much as digits as its factorization.

1314969661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154910.

The product of its digits is 209952, while the sum is 46.

The square root of 1314969661 is about 36262.5104067548. The cubic root of 1314969661 is about 1095.5660802598.

The spelling of 1314969661 in words is "one billion, three hundred fourteen million, nine hundred sixty-nine thousand, six hundred sixty-one".