1614994969 has 9 divisors (see below), whose sum is σ = 1878994911. Its totient is φ = 1384040280.

The previous prime is 1614994943. The next prime is 1614994973. The reversal of 1614994969 is 9694994161.

The square root of 1614994969 is 40187.

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., 807298569 + 807696400 = 28413^2 + 28420^2 .

It is not a de Polignac number, because 1614994969 - 2⁵ = 1614994937 is a prime.

It is a super-2 number, since 2×1614994969² = 5216417499790621922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1614994769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 278439 + ... + 284179.

Almost surely, 2^1614994969 is an apocalyptic number.

1614994969 is the 40187-th square number.

1614994969 is the 20094-th centered octagonal number.

It is an amenable number.

1614994969 is a deficient number, since it is larger than the sum of its proper divisors (263999942).

1614994969 is an frugal number, since it uses more digits than its factorization.

1614994969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11496 (or 5748 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 58.

The cubic root of 1614994969 is about 1173.2495363404.

The spelling of 1614994969 in words is "one billion, six hundred fourteen million, nine hundred ninety-four thousand, nine hundred sixty-nine".